Shopping online can save much time as you _______ go to a shop or walk around cr

题型：不详难度：来源：

Shopping online can save much time as you _______ go to a shop or walk around crowded
shopping centers.

A．don’t have to

B．oughtn’t to

C．won’t

D．mustn’t

答案

解析

略

举一反三

He chose to teach in a western province, though he _______ in the city for a better life.

A．could stay

B．would stay

C．could have stayed

D．had stayed

题型：不详难度：| 查看答案

13. –Just now I called home but nobody answered.
--Oh, sorry. I ________.

A．must have fallen asleep

B．must fall asleep

C．can’t been asleep

D．must be asleep

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—Ted found a policeman passing by and handed the mobile phone over to him.
—But he _________ at the place until the owner returned.

A．must have waited	B．might have waited
C．would have waited	D．could have waited

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31．Every solid object______reflect a sound，varying according to the size and nature of the object．

A．must

B．shall

C．will

D．Should

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27．Don’t you think it essential that every resident of Nanjing___________spare no effort to make contributions to Nanjing 2014 Youth Olympic Games?

A．should

B．will

C．shall

D．Would

题型：不详难度：| 查看答案