A. 按要求变换句型。

1. He used to walk to school.(改为一般疑问句)

_____ he ____ to walk to school.

15. -Would you like________ the environment?

-I don’t know. What can I do?

A. help save　 B. helping save　 C. to help saving　 D. to help save

14. -Do you spend a lot of time____ computer?

-No, but I spend much time_____ doing my homework.

A. on; in B. in; on C. on; on D. in; in

13. With the money _____ he had saved, he went on with his studies.

A. that B. what C. who D. where

12. This book is_____ hard ____ understand.

A. too; to B. enough; to C. so; to D. so; that

11. 70% of the earth _____ covered with water.

A. are B. is C. were D. being

10. You ______ to the meeting this afternoon if you have something important to do.

A. needn’t to come B. don’t need come C. don’t need coming D. needn’t come

9.Do you have ____ to say about your family？

A．else anything B．else something 　C．anything else D．something else

8.－How do you usually study for a test?

－ I study__________.

A. with seeing English-language videos B. with watching English-language videoes

C. by watching English-language videoes D. by watching English-language videos

7.The government will_______ more colleges for more students to receive higher education.

A. set up　 B. send up　 C. set out　 D. use up