–– ________ I come back before 6 o’clock?–– No, you _______ . But you _____

–– ________ I come back before 6 o’clock?–– No, you _______ . But you ______ be back later than 7 o’clock.

#75632

Need; must; must

May; mustn’t; can’t

Can; can’t; can’t

Must; needn’t; can’t

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 --- What’s the weather like? --- Pretty hot and wet in the summer, but it _____ be quite cold in the winter.

#62742

may

can

must

should

Thomas _____ a soldier, for he is much too short.

#63130

needn’t be

should be

may be

can’t be

—You shouldn’t have shouted at your mother. It really hurt her.  —Exactly. I ________ crazy at the time.

#62574

must be

could be

must have been

could have been

You ________ touch the chemical, or you ________ get burnt.

#63118

can’t; will

mustn’t; will

may not; would

shouldn’t; should

—The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job?—________ my students have a try?

#62321

May

Must

Will

Shall

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