—These farmers have been to the United States.— Really? When ______ there? [ ]A. will they go B. did
[ ]
题目简介
—These farmers have been to the United States.— Really? When ______ there? [ ]A. will they go B. did
题目详情
— Really? When ______ there?
[ ]
B. did they go
C. do they go
D. have they gone
答案