题目

将下列句子变为被动语态，每空一词： 1. We can finish the work in two days.                                                The work ________  _________   _________ in two days. 2. They produce silk in Suzhou.                                                          Silk _________  _________ in Suzhou. 3. The children will sing an English song.                             An English song ________  _________  ________ by the children. 4. You needn't do it now.      It _________  _________  _________ by you now. 5. Lucy sent me a New Year Card last week.      A New Year Card _________  _________  ________ me by her last week. 6. Peole use metal for making machines.      Metal _________  _________ for making machines. 7. He made me do that for him.      I _________  ________  ________  _________ that for him. 8.I have given this book to the library.    This book _______  ________  ________ to the library. 9.Did they build a bridge here a year ago?      ________ a bridge _________ here by them a year ago? 10.We'll put on an English play in our school.   An English play _________  __________  ___________ on in our school. 11.More and more farmers buy colour TV sets.   Colour TV sets _________  __________  __________ more and more farmers. 12.My brother often mends his watch.   His watch __________  __________  _________ by my brother. 13.We must water the flowers every day.   The flowers must ________  _________ (by us) every day. 14.They use knives for cutting things.   Knives _________  _________ for cutting things. 15.He made the farmers work for a long time.   The farmers _________  _________  __________  _________ for a long time. 16.Did he break the window yesterday?   ________ the window _________  __________  __________  yesterday? 17.They have sold out the light green dresses.   The light green dresses __________  __________  __________ out. 18.We clean the classroom every day.   The classroom _________  _________ every day. 19. You must not plant trees in very dry earth.   Trees _________  _________  __________  __________  in very dry earth. 20.You can dig a hole in the earth.    A Hole _________  __________  __________ in the earth. 答案：1. can be finished     2. is produced      3. will be sung          4. needn’t be done 5. was sent to        6. is used          7. was made to do       8. has been given 9. Was, built         10. will be put     11. are bought by        12. is often mended 13. be watered       14. are used       15. were made to work    16. Was, broken by him 17. have been sold    18. are cleaned    19. must not be planted    20. can be dug

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