－Could you do me a favor?
－_____________.
A. Of course not        B. Sure, what’s it?       C. I’m very busy

－I'll take part in the boys' 200-meter race this afternoon!
－_______
A. Never mind.       B. Of course not.    C. Good luck to you!

---________do you play basketball every day?
----Half an hour.

______ is your father ? ---He’s a driver.

—Hi, Lily and Kate, are you classmates?  —Yes, ________.

—___________?    —He is Andy’s father.

—What is your mother?    —__________.

-----Ken,         , but your TV is going too loud.
-----Oh, I’m sorry. I’ll turn it down right now.

——Hello, who is that?
—— _____________ Jim speaking.

—— Let’s go swimming.
—— ________________