—What’s this?—It’s __________ UFO.A.a B.an C.the
-_______ is it from your work place?-About thirty minutes’ drive.
A terrible earthquake happened_________the afternoon of March 11th, 2011 in Japan.
-I wonder ____________.-Zebras.
-Why didn’t you go to the cinema with us this afternoon, Jim?-Because I ______ at the station for my uncle from Beijing at that time.
- I need something for cutting the paper.- Oh, you want a knife? OK, I’ll get ______ for you.