一、单项选择题（20分）

(      )  1. ――Are you going to join the school cycling club?   ______.

          A. Yes, I am  B. Yes, you are C. No, I am   D. No, you aren’t

(      )  2. Betty is planning to take part ___ the table tennis club.

A. in   B. at    C. to    D. on

(      )  3. ――Why are you going to play sports?

            ――Because they can make me relax and are good ways to ______.

A. keep   B. keep fit   C. keep fitting   D. keep health

(      )  4. ――Would you mind ____ the room?

            ――OK. I’ll do it right away.

A. clean   B. cleaning   C. cleaned   D. to clean