---Who can it be that hasn’t handed in his composition?---It ______ be Robinson.

题型：不详难度：来源：

---Who can it be that hasn’t handed in his composition?
---It ______ be Robinson. He ______ it in yesterday.

A．will; should hand	B．must; should have handed
C．may; can’t hand	D．can; could have handed

答案

解析

略

举一反三

You ______go and ask Lily . She ______know the answer.

A．must, can

B．must, may

C．need, can

D．can, may

题型：不详难度：| 查看答案

You ______swim in this part of the lake. It’s dangerous.

A．mustn’t

B．needn’t

C．won’t

D．may

题型：不详难度：| 查看答案

Parents ____ bring up their children under 16 and educate them properly.

A．could

B．may

C．might

D．ought to

题型：不详难度：| 查看答案

—You never think of others ! You kept me waiting for two hours.
—I’m sorry that you _________ think so.

A．would

B．could

C．might

D．should

题型：不详难度：| 查看答案

He did not regret saying what he did but felt that he _____ it differently.

A．could express	B．would express
C．could have expressed	D．must have expressed

题型：不详难度：| 查看答案