—_____ I water the trees on Tuesday? 　 —No, you needn’t. A．Can　　B．Must　　C．May

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—_____ I water the trees on Tuesday?
　 —No, you needn’t.

A．Can　　

B．Must　　

C．May　　

D．Shall

答案

解析

略

举一反三

He _____ not pay unless he is punished to pay.

A．shall　　

B．will　

C．can　　

D．would

题型：不详难度：| 查看答案

I _____ such a mistake again.

A．shallnevermake	B．maynevermake
C．canneverdo	D．needneverdo

题型：不详难度：| 查看答案

—_____ I turn on the radio?
　—You’d better not. It is noisy enough in this room.

A．Shall　　

B．Must　　

C．Need　

D．Do

题型：不详难度：| 查看答案

Let’s go to the library this afternoon, _____?

A．shallwe　　

B．willwe　

C．canwe

D．shouldwe

题型：不详难度：| 查看答案

Where are my keys? I _____ lost them.

A．oughtto　　

B．shouldhave

C．willhave

D．musthave

题型：不详难度：| 查看答案