The goods______ when we arrived at the airport.

A．were just unloading

B．were just been unloading

C．had just unloaded

D．were just being unloaded

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参考答案

【译文】当我们到达机场的时候，货物正在卸载。
【解析】本题考查动词的时态。主语the goods与动词unload之间是被动关系，所以应使用被动语态。表示过去某个时间正在发生的动作，应用过去进行时。故选D。

1 It is not easy______ the answer to the difficult math problem.

A．to figure out

B．figuring out

C．figure out

D．being figured out

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2 It was while she was sleeping in her bedroom______ a thief broke into the house.

A．Which

B．that

C．where

D．than

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3 He abandoned a career that______ to his becoming one of the most influential people in the world.

A．could have led

B．would lead

C．should have led

D．must lead

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