38. Mr. Black ______ home because his briefcase is still on the desk.A．mustn’t h

题型：不详难度：来源：

38. Mr. Black ______ home because his briefcase is still on the desk.

A．mustn’t have gone	B．can’t have gone
C．shouldn’t have gone	D．needn’t have gone

答案

解析

略

举一反三

Bobby ________ me your secret, but he meant no harm.

A．shouldn’t have told	B．should tell
C．mustn’t have told	D．could tell

题型：不详难度：| 查看答案

19．China has warned America that it_____be responsible for its arms sale to Taiwan.

A．can

B．may

C．will

D．Shall

题型：不详难度：| 查看答案

When we were young, every evening my brother and I ______ stay at home waiting for our mother to come back from work.

A．would

B．might

C．should

D．could

题型：不详难度：| 查看答案

Sir, you ______be sitting in this waiting-room. It is for women and children only.

A．oughtn’t to

B．can’t

C．won’t

D．needn’t

题型：不详难度：| 查看答案

-- Is it necessary that he ____ to London but to New York?
-- I think so, but the problem is ____ he has refused to.

A．will not be sent; that	B．not be sent; that
C．should not be sent; what	D．should not sent; what

题型：不详难度：| 查看答案