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English · Grammar & Usage

Sentence Completion

Fill one or two blanks so the sentence stays logically and grammatically intact. The connective word — although, because, therefore — tells you the direction before you've even read the options. Every question comes with a written explanation of that signal.

3
Difficulty tiers
28s
Target pace
59%
Average first-attempt score

What's covered

  • Single-blank itemsone word or phrase completes the sentence's logic — the most common format.
  • Double-blank itemsboth blanks must fit together and match the sentence's overall direction, not just make sense individually.
  • Contrast connectivesalthough, yet, despite signal the blank should oppose a nearby idea.
  • Cause connectivesbecause, since, therefore signal the blank should follow logically from what precedes it.
  • Register matchingthe correct word fits the sentence's tone, not just its literal logic — a technically-possible word can still be wrong.

Where students lose marks

Reading past the connective

The connective word decides the direction of the whole sentence. Skim past although and you'll fill the blank as if the sentence agreed with itself.

Picking a word that half-fits

On double-blank items, one option often fits the first blank perfectly and fails the second. Check both blanks against the full sentence before committing.

Choosing the fanciest word available

The hardest-sounding option isn't automatically correct. Match the sentence's actual logic and tone, not the option that sounds most "exam-like."

Three sample questions

Straight from the bank — one per difficulty tier. Reveal the answer to see the explanation you'd get in a real session.

Sample 01Foundation

Although the film received poor reviews, it was a box-office ____.

Sample 02Core

Because the negotiations had ____ for months, both sides welcomed the ____ compromise.

Sample 03Advanced

Far from being the ____ diplomat his reputation suggested, he proved ____ and quick to anger in private meetings.

How to practice this

Sentence completion rewards reading the connective before the blank — practice trains that reflex until it's automatic.

Circle the connective first

Before reading the options, identify the connective word and state whether the blank should agree or contrast with what came before. Untimed practice is where this becomes reflex.

Then 25–30 seconds a question

Move to timed sessions once the connective-first habit is automatic — double-blank items take a little longer than single-blank ones.

Fold into a mock

Pair sentence completion with error identification in a mock — both test control over a full sentence's logic and structure.

Read the connective.
The blank follows.

  • The signal word explained on every item
  • Timed or untimed sessions, any length you like
  • Tracked separately — see your sentence completion accuracy and pace over time
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