1.　　 The computer must __________________ (repair) now.

7．　　　　 DCDBDACBB

6．　　　　 ever 　without people　 turns round the sun　 have been to　 places of great interest　 used by for typing into　 can’t be seen　 far away

5．　　　　 BACACDCCD

4．　　　　 Thanks to　 Thanks to　 Thanks for　 thanks to

3．　　　　 are made of　 is/was made of　 was made by　 was made of

2．　　　　 send for　 sent up　 sends out　 have been sent up

1．　　　　 used to　 is used by　 is/was used as A

9. This box ___ heavy ___ I can’t carry it .

答案。

8. When ___ this kind of computer ___ ? Last year.

　A. did, use　 B. was, used　 C. is, used　 D. are, used