— When shall we go to the museum today or tomorrow? — are OK.A. BothB. AllC. EitherD. Nei

问题补充：

— When shall we go to the museum, today or tomorrow?

— are OK.

A. Both

B. All

C. Either

D. Neither

答案：

(答案→)A. Both

B. All

C. Either

D. Neither

解析：Both两者都; All所有都;Eithe两个钟任何一个都;Neither两者都不.句意:我们什么时候去博物馆，今天还是明天？——这两天都行。故选A。