别人帮你的忙,你应该说: A. You are welcome. B. Thank you very much .
I see two big ______ in the dog’s mouth.
Would you like to play _______ piano? the B.a C.an
Sometimes I go to school ________ bike.
“Who brought the gifts? ” Li Ming asks ___________.
Put ______ your shoes.It’s time _______ play games.