问题

Are you_ now, Dave? I’m visiting you. —Sorry, I’m_ vacation with my mother.[ ]

A: in; in
B: in; on
C: on; on
D:on; in

正确答案是：

标签： dave , now

同类题型

Summercomes_______spring. [ ]

I hope you _________ good results in the exam.

In our school library, there a number of books on science and the number of the books growing larger and larger.

_______ progress it is, you can’t stop moving forward.

I have P.E. ______ the afternoon of Tuesday. [ ]