题目内容
He spent an hour __________ his homework.
A. to do B. do C. doing D. did
C 【解析】 句意:他花费一小时做作业。根据spend time doing sth做某事花费都长时间;故选C。
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题目内容
He spent an hour __________ his homework.
A. to do B. do C. doing D. did
C 【解析】 句意:他花费一小时做作业。根据spend time doing sth做某事花费都长时间;故选C。