Some festivals are held to honour the dead or to satisfy the ancestors, who ____

题型：不详难度：来源：

Some festivals are held to honour the dead or to satisfy the ancestors, who __________ return either to help or to do harm.

A．must

B．should

C．might

D．shall

答案

解析

略

举一反三

Look! Tom is too sleepy to work. He __________ up watching TV.

A．mustn’t have stayed	B．shouldn’t have stayed
C．mustn’t stay	D．ought not to stay.

题型：不详难度：| 查看答案

This project _____ considered thoroughly, and I’m sure it _____ finished on time.

A．must be; may be	B．should be; can be
C．may be; must be	D．can be; should

题型：不详难度：| 查看答案

It’s already 11 o’clock and nobody answers the phone. George ________ asleep now.

A．must be

B．must have been

C．should be

D．should have been

题型：不详难度：| 查看答案

--- It’s already 9:00 o’clock, but he hasn’t turned up yet.
--- He ______ in the traffic jam.

A．could have caught	B．should have caught
C．must catch	D．would have caught

题型：不详难度：| 查看答案

--- I don’t mind telling you what I know.
--- You _________ . I am not asking you for it.

A．mustn’t

B．can’t

C．needn’t

D．should not

题型：不详难度：| 查看答案