(2013·长沙二模)—The research on the new flu virus vaccine is challenging and demanding.Who do you think can do the job?—_______

(2013·长沙二模)—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?

#62416

May

Must

Will

Shall

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Holiday shopping ___be a tiring experience．There are so many places to visit and choices to make．

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can

may

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You ______to meeting this afternoon if you have something important to do.

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needn’t to come

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hasn’t

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needn’t have done

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She ______ into the thick forest alone on such a dark night.

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dares not go

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dare not to go

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