4.The safety　　(规则) of the factory have come out at last.

3.Some sets of the tools are only in (暂时)needs.

2.One of his　 (同事) that is known to have stolen the computer is suspected of having stolen the money.

根据下列句子及所给汉语注释写出空缺的各单词的正确形式，每空一词。

1.The　　(比例) of the surface of our planet is covered by more than 70 percent of water.

20. A. dreaming　　B. awake 　　　C. up 　　　　 D. down

19. A. never 　　B. hardly 　　 C. seldom 　　　D. haven't

18. A. need 　　 B. spend 　　　C. afford 　　　D. manage

17. A. Correctly 　B. Generally 　 C. Really 　　　D. Truly

16. A. struck 　　 B. broke 　　　C. beat 　　　 D. hit

15. A. Above 　　B. Last 　　　 C. Worst 　　　D. First