GATE CS 2015 Set 2 — Question 1
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General Aptitude → Verbal Aptitude → English Grammar (Tenses, Articles, Prepositions, Conjunctions)
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Question
We ______________ our friend’s birthday and we ______________ how to make it up to him.
Correct answer
(C) completely forgot --- just don’t know
Solution
The correct phrase is 'completely forgot' (adverb modifying verb) and 'just don't know' (adverb modifying verb phrase). 'Don't just know' changes the meaning significantly. Therefore, option (C) is the correct choice.
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