当你有事情要打扰某人时,你应说:________A.I'm sorry. B.Excuse me.
---Happy birthday to you! ---_____________. A. OKB. Sorry . C. Thank you
This is _______ interesting book. A. anB. theC. a
Does Lily want _________ football? A. playsB. to play . C. playing
Let’s _________ to the park. A. goB. goingC. to go
I run_________ than you. A. fastB. fastestC. faster