It is essential that these application forms ______ back as early as possible.A．

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It is essential that these application forms ______ back as early as possible.

A．must be sent

B．will be sent

C．are sent

D．be sent

答案

解析

考查虚拟语气。 It is essential that + 从句，从句用should + V原形的虚拟语气，should可以省略，选D。

举一反三

I’m afraid we give you an answer today．

A．can’t

B．mustn’t

C．needn’t

D．shouldn’t

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We the opportunity to go to France, had it not been for Mary’s help.

A．would have lost

B．should lose

C．might lose

D．must have lost

题型：不详难度：| 查看答案

What do you mean by saying there are only ten tickets?There be twelve.

A．could

B．should

C．would

D．can

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If Sanlu Group melamine to the milk,the babies too much from kidney stone.

A．didn’t add; would not suffered	B．hadn’t added; wouldn’t have suffered
C．hasn’t added; wouldn’t have suffered	D．hadn’t added; would have suffered

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It’s suggested that some activities to celebrate the 30th anniversary of the Reform and Opening-up.

A．should hold

B．are held

C．be held

D．will be held

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