Fill in the Blanks
🔒 Log in to trackDouble blanks: two gaps, one sentence
🔒 Log in to trackSome items blank two positions in one sentence — a pair of connectors (___ he was ill, ___ he came), a structure pair (too ... to, so ... that), or two content words. Options are complete pairs.
Method: anchor the solid blank first. One of the two gaps is usually much easier — a structure pair whose second element is fixed (too ___ to), or a content word only one option can fit. Decide that gap, and the wrong pairs collapse:
- '___ small ___ accommodate' → the structure is too + adj + to + verb → too, to. 'So, that' would need a clause ('so small that it could not accommodate'), and the option's second element ('that') does not fit the blank before the bare verb.
- '___ the manager ___ his assistants were present' → plural were + two-part subject → Both, and. 'Neither, or' is not a pair; 'Either, or' would demand singular agreement.
Agreement as a tiebreak. The sentence's verb exposes the pair: plural verb → both... and (or a plural pair), singular verb → either... or / neither... nor (verb follows the nearer noun).
Cross-check both halves. After anchoring one blank, read the completed sentence aloud; if the second half jars, your anchor was the trap — the option pairs are built so that exactly one completes both halves naturally.
Content-word pairs (e.g. 'safe and sound', 'part and parcel') are fixed binomials — learn the common ones in pairs, never singly: safe and sound, first and foremost, null and void, ways and means, pros and cons, part and parcel.
Two gaps, one decision
A double blank is still one choice: the options are complete PAIRS (both ... and / neither ... nor / null and void), so you test the whole pair in place. Never solve gap one and glance at gap two — the pair that fits gap one may fail gap two, which is exactly where the planted decoy lives.
Grammar-locked pairs
When the options are correlatives, the verb's number or the sentence's structure can settle it alone:
- Both ... and → plural verb (Both the pilot and the co-pilot were honoured).
- Neither ... nor / Either ... or → the verb agrees with the NEARER subject (Neither the boys nor the coach was told).
- Not only ... but also → the second half carries new, added information. So read the unblanked verb first — were honoured announces Both ... and; was punished announces Either/Neither.
Sense-locked pairs
Other double blanks lock by meaning, not grammar: Neither his age nor his frail health could stop him — and he finished the marathon. The tail clause confirms the sense, and only one pair survives. In these items, read to the full stop before choosing; the confirmation clause is the setter's gift.
Fixed expressions printed as pairs
A whole family of idioms is two words long: null and void (invalid), part and parcel (an essential part), safe and sound, first and foremost, odds and ends, done and dusted (finished), one and all (everyone). Here the options are competing expressions and only one matches the sentence's meaning; the second blank is just the idiom's second half.
Time-span and range pairs
from ... to marks a range (from Monday to Friday); between ... and links exactly two items; scarcely ... when / no sooner ... than report near-simultaneous events. Again the partner is fixed: from never pairs with and, no sooner never pairs with when. Sweep the pair, not the single word.
The protocol
- Read the full sentence including the tail after the second blank.
- Test each pair IN PLACE, both halves.
- Let grammar (the unblanked verb's number) kill pairs first, then sense.
- Among survivors, prefer the more precise idiom or correlative — never the one that merely sounds grand.
Question types you will see
Each type: how to recognise it, the method step by step, and one question to try.
Correlative pair blanks (both/neither/either)
Two blanks frame two nouns with one verb visible; the options are both...and / either...or / neither...nor / not only...but also.
Check the unblanked verb's number: were → both...and; was → neither/either; an added second fact → not only...but also.
Then check sense: exclusion → neither...nor; choice → either...or.
Read the tail clause for confirmation where grammar allows two pairs.
Why it works: the correlative dictates the verb's number, so the unblanked half of the sentence often answers before the options are read.
___ the pilot ___ the co-pilot were honoured for the emergency landing.
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Both ... and — the plural 'were honoured' demands both...and; neither/either would need 'was'.
Fixed two-word idioms
The options are whole expressions (null and void, part and parcel, safe and sound); the sentence describes invalidity, essentiality or safety.
Name the sentence's message: cancelled/invalid, essential, unhurt, finished.
Match the idiom: null and void; part and parcel; safe and sound; done and dusted.
Reject idioms that are real but mean something else — they are the decoys.
Why it works: each option is a genuine idiom, so only meaning separates them; the sentence's key noun or verb is the sieve.
The old agreement was declared ___ after the merger.
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null and void — legally invalid; 'part and parcel' would call the agreement essential, the opposite.
Range and link pairs (from...to, between...and)
The sentence spans a time range or links exactly two parties; options are preposition pairs.
Range (start ... end) → from ... to.
Exactly two linked parties → between ... and; three or more → among.
Confirm the pair's grammar — from never partners with and, between never with to.
Why it works: the pairs are fixed by convention; the decoys mix partners that never travel together.
The summer sale runs ___ 1 May ___ 15 May.
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from ... to — the fixed range pair; 'from ... and' and 'between ... to' mix partners that never travel together.
Hardly / no sooner paired frames
The sentence opens with a fronted adverb frame and the blank completes it: options carry the second partner (than, when, then).
No sooner → than; hardly/scarcely → when. The pairs never cross.
then and that are never partners — they are pure decoys.
Expect the past perfect + simple past sequence around the frame.
Why it works: the frame is a memorised unit; the options only test whether the candidate memorised it whole.
___ had the plane touched down ___ the passengers began applauding.
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No sooner ... than — the fixed partner; 'hardly ... than' and 'no sooner ... when' are the planted mixed pairs.
Shortcuts that save time
too + adjective + to + base verb; so + adjective + that + clause; such + noun + that + clause; hardly...when; no sooner...than. Recognise the skeleton and both blanks fill at once.
The room was ___ small ___ accommodate all the guests.
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Adjective + bare verb after the second blank → too small to accommodate. 'So, that' would demand 'that it could not accommodate'.
Plural verb with two subjects → Both...and; singular verb → Either...or / Neither...nor (matching the nearer noun). The verb alone often fixes the pair.
Revise binomials in pairs: safe and sound, part and parcel, null and void, first and foremost, ways and means. Options split genuine binomials with a wrong partner — the genuine one is the answer.
Mistakes to avoid
Where most students lose marks on this subtopic.
Solving blank two first when blank one is the structural anchor.
Choosing 'so, that' where the second blank precedes a bare verb (structure mismatch).
Matching plural 'Both...and' to a singular-verb sentence.
Assembling a binomial that half-exists ('part and half') because the first half matched.
Quick revision
Read this the night before the exam.
Solve PAIRS, never single blanks: test both halves in place.
both...and → plural verb; neither/either...or/nor → verb agrees with the nearer subject.
The tail clause after the second blank usually locks the sense — read to the full stop.
null and void, part and parcel, safe and sound, done and dusted — fixed, unswappable.
from...to, between...and, no sooner...than, scarcely...when — fixed partners, no mixing.
Practice: 12 questions
Sets of 10, mixed across the question types above. Every answer has a step-by-step explanation.
Topic test · 12 questions
Suggested time 7 min · wrong answers go to your mistake notebook automatically.