0  57547  57555  57561  57565  57571  57573  57577  57583  57585  57591  57597  57601  57603  57607  57613  57615  57621  57625  57627  57631  57633  57637  57639  57641  57642  57643  57645  57646  57647  57649  57651  57655  57657  57661  57663  57667  57673  57675  57681  57685  57687  57691  57697  57703  57705  57711  57715  57717  57723  57727  57733  57741  447090 

22.The windows of our house _____once a week.

  A. must clean         B. have cleaned      C. is cleaned           D. are cleaned

试题详情

21. This English song _____ often _____ by the children.

  A. is, singing          B. is, sung              C. will, sing            D. was, sung

试题详情

20. Man-made satellites ______into space by many countries.

  A. was sent up       B. is sent up

  C. have been sent up                              D. has been sent up

试题详情

19. Chang'an Road is ______of people.

  A. filled                  B. fill                      C. full                     D. fulled

试题详情

18. They ______day and night.

  A. are made work B. are made to work

  C. made to be worked                           D. are making to work

试题详情

17. We can't enter the room because its door______ .

  A. locked               B. locks                  C. is locked            D. is locking

试题详情

16. When water______ , it will be changed into vapor(蒸汽).

  A. is heated            B. heating               C. has heated         D. heats

试题详情

15. The war______ in 1941.

  A. broke out           B. had been broken out

  C. was broken out D. had broken out

试题详情

14. I ______the way to the railway station by a policeman.

  A. was shown        B. showed              C. have shown       D. was showing

试题详情

13. We can't use the bridge now, because it______ .

  A. has been repaired                              B. is repairing         C. is repaired       D. is being repaired

试题详情


同步练习册答案