问题 选择题

The work is too hard for him. He__________ finish it on time.

A.can't

B.mustn't

C.shouldn't

D.needn't

答案

答案:A

情态动词的考察 句意为“这工作对他来说太难。他不可能按时完成”。 can't 用在否定句中表示“不可能”; mustn't“绝对不能,禁止”; shouldn't “不应该”needn't“不必”

单项选择题
单项选择题