11. Mother dogs have several babies __________.

   A. on a time         B. in a time       C. at a time       D. for a time

10. Wolves often live in __________ .

   A. family groups         B. family group 

 C. families group        D. families groups

9. My mother called me _________ harder.

   A. encourage me studying      B. to encourage me to study

   C. to encourage me studying    D. encourage me to study

8. You’d better ___________ your coat. It’s so hot here.

   A. put on      B. put off       C. to take off     D. take off

7. Geography is one of ___________ subjects.

   A. the more difficult           B. the most difficult

   C. most difficult              D. more difficult

6. Amy was sorry for _______ late, but the teacher’s smile made her ______ better.

    A. is; feel        B. be; feels       C. being; felt    D. being; feel

5. He is _________ than his brother ___________ skating.

    A. good; at       B. good; for      C. better; at     D. better; for

4. Some people enjoy listening to music, but______ don’t.

A. others        B. another       C. the other     D. the others

3．-Do you mind if I turn on the radio?  -- ____________.

A. No, I mind.        B. Yes, I don’t  

  C. No, of course.      D. Sorry. You’d better not.

2. ---May I use your camera, dad? ---_______. It’s broken.

A. Yes, please.           B. I’m afraid not. 

C. Sure.                          D. No, thanks.