题目内容
【题目】— Your parents aren’t at home, are they?
— No. They ________ to Shanghai on a business trip.
A. go B. will go C. have gone D. have been
【答案】C
【解析】
试题分析:句意:-你的父母不在家,是吗? -对。他们到上海出差了。gone to去了; been to去过。结合语境,所以选C。
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