What are you doing? Don't you know that you _____ ...

[ Grammar - may/might/could ]

What are you doing? Don’t you know that you _____ write on the desks?

A. don’t have to

B. mustn’t

C. needn’t

Select your answer:

Other quiz:

Grammar - TOEIC › View

The fans __________ when the game finally started.

A. have cheered

B. will cheer

C. cheered

D. cheer

Adverbs › View

Use an adverb to modify the verb in this sentence: The wind howled ________.

A. happily

B. quietly

C. loudly

D. quickly