10. About 400 years ago, Galileo(伽利略) proved that the earth 　　　　　(go) around the sun. (2002陕西)

keys:1.doesn’t rain 2.will be 3.is knocking 4.leaves 5.Has, returned 6.had worked 7.was reading 8.had, lived came 9.wouldl happen 10.goes

B) Complete the following sentences:

9. They never knew what 　　　　　(happen) to the world in a hundred years. (2002南充)

8. Mr. Green and his wife 　　　　　(live) in London for a few years before they

　 　　　　　(come) to work in China in 2001. (2002曲靖市)

7. Mr. Wang 　　　　　　(read) a newspaper in the office at this time yesterday. (2002上海市)

6. By the end of last term, they 　　　　　(work) there for ten years. (2002辽宁)

5. --　　　　 　your uncle 　　　　　　(return) the video tapes to Mr Fox?

　 --No. They’re still in his bedroom. (2002南通市)

4. Bill is strict with himself. He never 　　　　　　　(leave) today’s work for tomorrow. (2002连云港市)

3. –Who 　　　　　　　(knock) at the door?

　 --I don’t know. Let me go and see. (2002连云港市)

2. I think he 　　　　　　　(be) back in a week. (2002南京市)

1. Mr Brown will go fishing if it 　　　　　　(not rain) tomorrow. (2002徐州市)