The work is too hard for him. He finish it on time.A. cantB. mustntC. shouldntD. needn

问题补充：

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

A. can

B. mustn

C. shouldn

D. needn

答案：

(答案→)A. can

B. mustn

C. shouldn

D. needn

解析：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 用在否定句中表示“不可能”； mustn “绝对不能，禁止”； shouldn “不应该”needn “不必”