题目内容
【题目】—Hi,Sally, what’s wrong with you?
—I didn’t sleep well last night. It took me _______ to finish my homework.
A. three and a half hours B. three and half a hour
C. three and the half hours D. three and a half hour
【答案】A
【解析】试题分析:three hours and a half =" three" and a half hours 故选A
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