—Does your uncle work ____ a farm?—No, he doesn’t. He works ____ a restaurant.A. on; on B. on; in C. in; in
There are _______ students in this school.
How long have you _______ the bike?
Once upon a time, an old man tried _______ the mountains.
---- Mum, may I go out and play basketball ? ---- Well, if you _______ your homework, you can.
Your _______ is really beautiful. Can you sing another song?