题干

She_____ have gone to Shanghai for a visit. She has been discussing the papers with me for a whole day.

A:mustn’t

B:needn’t

C:shouldn’t

D:can’t

上一题 下一题 0.0难度 选择题 更新时间:2017-06-20 12:46:32

答案(点此获取答案解析)

D