— Do you know the Capital Museum?— Next FridayA. when will they visitB. when they will v

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.