【題目】– Must I have online classes, Dad?

– No, you . You’re free to make your own decision.

A. can’tB. mustn’tC. shouldn’tD. needn’t

【答案】D

【解析】

句意:——爸爸,我必須上在線課程嗎?——不,沒必要。你可以自己做決定。

考查情態(tài)動詞。A. can’t不能;B. mustn’t禁止;C. shouldn’t不應(yīng)該;D. needn’t沒必要。根據(jù)固定用法,用must提問時,否定回答為沒必要,用needn’tdon’t have to,故選D

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