题目内容

Lisa was supposed her homework before nine o'clock. But she couldn't.

A. to finish B. to finishing C. finish D. finishing

 

A

【解析】

试题分析:句意:丽莎应该在九点之前完成她的家庭作业。但是她不能。 be supposed to do sth应该做某事,所以选A。

考点:考查非谓语动词。

 

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