2. 外语
  3. —Must I take all these terrible medicines for a week?—No, you______. Just take the yellow pills after your fever goes down.

—Must I take all these terrible medicines for a week?—No, you______. Just take the yellow pills after your fever goes down.

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问题 —Must I take all these terrible medicines for a week?—No, you______. Just take the yellow pills after your fever goes down.
选项 A、needn’t
B、don’t
C、won’t
D、mustn’t
答案A
解析 must的否定式要用needn’t，表示“不必要”，而 mustn’t则表示“禁止，不许”。
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