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
B: in; on
C: on; on
D:on; in
正确答案是:
同类题型
My aunt Lisa is _______ office worker.
I __________computer games at home when my cousin_____________me.
Write a note _____ a friend. [ ]
In North America, most students go to school _____ the school bus.
Why don’t you eat more, Lily?—Sorry, mum. I can hardly eat _________. I am not feeling well today.