21.(　　 ) ___ in the morning is good for your study.

A. Read aloud　 B. Reading aloud　 C. To read aloud　 D. Both B and C

20.(　　 ) When did you ____ go to the country ?

A. first of all　 B. first　 C. at first　 D. firstly

19.(　　 ) --What is this used____?-It’s used to help the deaf listen clearly.

A. to　 B. for　 C. with　 D. by

18.(　　 ) I asked him where to go, but he didn’t ___me.

A.reply　 B. answer to　 C. reply to　 D. replied to

17.(　　 ) The chemistry teacher required the students ____ more attention _____ the lab clean.

A. to pay; to keep　 B. to paying ; to keeping C. to pay; to keeping　 D. paying; keeping

16.(　　 ) --Aren’t you a student? --_____. I study in No.1 Middle school.

A. No, I am　 B. Yes, I’m not　 C. No, I’m not　 D. Yes, I am

15.(　　 ) No one knows the secret, ____?

A. does he　 B. doesn’t he　 C. do you　 D. will you

14.(　　 ) Don’t forget to turn off the light when you leave, _____ ?

A. shall we　 B. won’t you　 C. do you　 D. will you

13.(　　 ) ___ we had! We rode our bicycles to the beach yesterday afternoon.

A. What a fun　 B. How a fun　　 C. What fun　 D. How fun

12.(　　 ) We should do what we can ____ them with their lessons.

A. help B. helping　 C. to help　 D. helped