Ⅲ.单项选择。
11. I________ a ping-pong ball and Bob_______ two ping-pong bats.
A. have; have B. have; has C. has; has D. has; have
12. Mike, let’s ________ these girls.
A. to help B. help C. helping D. helps
13. —Do you know Lin Shuhao?
—Yes. He is a________ player(运动员).
A. soccer B. baseball C. ping-pong D. basketball
