问题 选择题

The sales _____ steadily, the factory needs an increasing supply of raw material.                                                   

A.have gone up

B.are going up

C.gone up

D.going up

答案

答案:D

考查独立主格结构。本题逗号前后没有连词,说明前半部分不是句子,而是一个短语,the sales与go up构成主动关系,所以使用现在分词和名词构成独立主格结构。The sales going up steadily="Because" the sales go up steadily.

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