15. Not once                Michael that he could one day become a top student in his class. (occur)

Michael不止一次地想到有朝一日他可以成為班上的頂尖學(xué)生。

14.        some famous scientists who came from all walks of the country. (present)

出席會議的是來自該國各個行業(yè)的一些著名科學(xué)家。

13. He is going to spend the Spring Festival in his home village，             his parents and some relatives. ( live)

他打算到他的家鄉(xiāng)過春節(jié)，他的父母和親戚還生活在那里。

12.1 was sitting under the tree in front of my house reading when          a cat at a running mouse in the corner. (down)

我正坐在門前的樹下看書，突然一只貓從樹上向在墻角跑的老鼠樸了下來。

11.            the possibility that mistakes have been made  in the work. (remain)

工作中仍然有可能出差錯。

10.------- I was wondering if we could go skiing on the weekend.

  ------        . ( sound)

  ——我想我們在周末去滑冰吧�！�—(這主意) 聽起來不錯。

9.             ，the company has about 1 ，000 buyers in over 30 countries. (though)

盡管很小，但該公司在30多個國家有約1000名顧客。

8. ―Can I borrow your car,Mum?

―        . (must)

——媽媽，我能借用下你的車嗎？ ——如果你非借不可的話(你就借吧) 。

7. Not only        the disabled to find jobs,but also medical treatment will be provided for those who need it. (give)

不僅要幫助殘疾人找工作，還應(yīng)為有需要的人提供治療。

6. "Never for a second ,"the boy says, "        that my father would come to my rescue." (doubt)

那男孩說："我從沒懷疑過我父親會來救我。"