Do some warming up exercise before sports. Or you _______ hurt yourself.A．mustB．

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Do some warming up exercise before sports. Or you _______ hurt yourself.

A．must

B．need

C．should

D．may

答案

解析

试题分析:句意：在运动前做些热身锻炼。否则你可能会伤到自己。A必须；B需要；C应该；D可能，可以。根据句意可知此处是指如果不做热身将导致的一种结果，表示一种可能性，选D。

举一反三

Thanks to his pension, Li Zhentian, _____ give each of his grandchildren RMB 5 as a Chinese New year gift for the first time.

A．had to

B．was able to

C．would

D．could

题型：不详难度：| 查看答案

—Can I pay the bill by check?
--- Sorry, sir. But it is the management rules of our hotel that payment ____ be made in cash.

A．shall	B．mustn’t
C．can’t	D．will

题型：不详难度：| 查看答案

---You are sweating. ______ I fetch you some water?
---It’s so kind of you.

A．Can

B．Must

C．Shall

D．Need

题型：不详难度：| 查看答案

I"m afraid Mr.Harding ______ see you now.He"s busy.

A．can"t	B．mustn"t
C．shouldn"t	D．needn"t

题型：不详难度：| 查看答案

It ________ be the postman at the door.It"s only six o"clock.( 2011·江西)

A．mustn"t

B．can"t

C．won"t

D．needn"t

题型：不详难度：| 查看答案