题目内容
【题目】You ________ leave rubbish in a park. ( )
A. needn't
B. mustn't
C. can't
D. may not
【答案】B
【解析】
句意:你不能在公园扔垃圾。A、不必,B、禁止,C、不能,D、也许不,乱丢垃圾是禁止的,用mustn't,故答案为B。
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题目内容
【题目】You ________ leave rubbish in a park. ( )
A. needn't
B. mustn't
C. can't
D. may not
【答案】B
【解析】
句意:你不能在公园扔垃圾。A、不必,B、禁止,C、不能,D、也许不,乱丢垃圾是禁止的,用mustn't,故答案为B。