The chemistry teacher asked the students more attention the lab clean.A．to pay ,to keep B．to paying ,to keepingC．to pay , to keeping D．paying ,keeping 题目和参考答案——青夏教育精英家教网—

题目内容

The chemistry teacher asked the students ________ more attention _________the lab clean.

A．to pay ,to keep B．to paying ,to keeping

C．to pay , to keeping D．paying ,keeping

【解析】

试题分析：句意:化学老师让学生们注意保持实验室干净。第一个空使用的句型是ask sb. to do sth.要求某人做某事；第二个空前使用的短语是pay attention to，短语中的to 是一个介词，因此后面跟动名词形式。故选C。

考点：考查动词短语。

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