On reaching the top floor I suddenly realized that I _________my book on the service desk.

A．[ A ]leaves

B．[ B ] left

C．[ C ] had left

D．[ D ] was left

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参考答案

本题考查动词时态。因为“意识”是过去的动作，“遗忘”的动作要发生在“意识到”之前，所以用过去完成时。

1 _________of his parents liked pop music. So they did. It is noisy.

A．[ A ]All

B．[ B ] None

C．[ C ] Both

D．[ D ] Neither

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2 From here, you can see the bridge _________construction.

A．[ A ]in

B．[ B ] on

C．[ C ] under

D．[ D ] with

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3 There are _________students playing basketball in the room.

A．[ A ]score of

B．[ B ] scores of

C．[ C ]two scores

D．[ D ]two ,score of

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