Question

【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

Answer 1

【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。