—Doyouknow　　　theGreatWall?—Nextweek.A.whenwilltheyvisit...

问题详情：

—Do you know　　　the Great Wall?

—Next week.

A. when will they visit          B. when they will visit

C. when did they visit          D. when they visited

【回答】

B

知识点：宾语从句

题型：选择题