Question

【题目】-These farmers have been to the United States.

-Really? When _______ there?

A .will they go B.did they go

C. have they been D. have they gone

Answer 1

【答案】B

【解析】

试题分析：句意：—这些农民去过美国。—真的吗？他们什么时候去的那儿？根据句意及题干分析他们是过不去的，所以应用一般过去时态，故选B。