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Wespentthreehours  ourhomework..A.finishingdoing  B.tof...

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问题详情:

Wespentthreehours  ourhomework..A.finishingdoing  B.tof...

We spent three hours     our homework..

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

【回答】

A

知识点:非谓语动词

题型:选择题