—May I open the window to let in some fresh air?
—________！
A．Come on B．Take care
C．Go ahead D．Hold on
—Professor Johnson，I’m afraid I can’t finish the report within this week.
—________.How about next week?
A．Good for you B．It won’t bother me
C．Not at all D．That’s OK
—Have you played baseball before？We need one more player.
—________.I like ball games，so I believe it will be interesting to learn baseball.
A．Sometimes B．Not really
C．Never mind D．That’s cool
—Sorry，I can’t go camping with you.I have to prepare well enough for the entrance exam.
—________！ We can camp together next time.
A．Don’t say so B．Congratulations
C．Good luck D．No problem
—Do you know if Linda is willing to take charge of the program?
—________，does it?
A．It takes no time
B．It counts for nothing
C．It doesn’t hurt to ask
D．It doesn’t make sense
—They say Tom’s brother is a billionaire.
—________？ He wouldn’t accept any help from his brother，even though it was offered.
A．What if B．What for
C．So what D．Forget it
