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。通过答语来看,句子是一般将来时,又因为在know之后引导的是宾语从句,宾语从句疑问句要用陈述句语序,故选B.