You __ have known the answer to that question. ... | GrammarQuiz.net

Topics: Auxiliary Verbs, if, unless and Modal

You __ have known the answer to that question.

A. must

B. shall

C. could

D. might

Select your answer:

Random Topics:

Antonyms Future Simple Present and Past Tenses Figurative Language Vocabulary Tenses and Word Formation Grammar - TOEIC Past Tense and Neutral Phrasal Verbs The Past Simple Conditional Sentence Type 2

Other quiz:

Grammar › View

I would rather go out tonight _____ this afternoon.

A. then

B. than

Idioms › View

I hope dieting will get rid of these lumps of fat around my waist.
a. leathers
b. ladles
c. love handles

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