题目内容
【题目】It____these students three hours____their homework yesterday.
A. takes; finish B. took; finished C. will take; to finish D. took; to finish
【答案】D
【解析】句意:昨天完成他们的作业这些学生花了3个小时。It takes sb. some time to do sth. 是固定句型,意为"花费某人多长时间做某事"。由yesterday可知此句用一般过去时,所以用take的过去式took。故选D
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