递给别人东西时,你会说:A.Thank you. B.Here you are. C.OK!
He’s swimming, _________it’s getting too cold. A. but B. andC. or
The old man______ in a small house many years ago. A. live atB. livesC. lived
He is going to travel_________March. A. inB. on C. at
It _____interesting. A. lookB. looksC. is looking
I bought flowersmy mother. A. forB. toC. from