【題目】—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】試題分析：three hours and a half =" three" and a half hours 故選A

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