问题补充:
–Do you know the Capital Museum? –Next Friday.
A. when will they visit
B. when they will visit
C. when did they visit
D. when they visited
答案:
A. when will they visit
(答案→)B. when they will visit
C. when did they visit
D. when they visited
解析:句意:--你知道他们什么时候参观首都博物馆吗?--下周五。宾语从句,从句部分要用陈述句语序。根据答语可以判断是将来时态。故选B.