62. Thomas Edison is one of the greatest 　　　　(发明家) in the world.

　　 根据句意和首字母或汉语提示写出句中所缺单词，每空一词。请把单词完整地写在答题卡上相应的位置。(每小题1分，共10分)

61. 　　　　(幸运地)，he was saved.

30. ―_____you _____the machine yet?

- No, I haven’t.

A. Have; repaired　 B. Did; repair　 C. Do; repair　 D. Are; repairing

29. - Could you tell me ____? I need your help.

- I’d be glad to.

A. how should I do it　 　B. what I to do it　

C. what to do it　 　　　　D. how I should do it

28. We are going to do our work better with ____ money and ____ people.

A. less；fewer　 B. less; less　 C. fewer; fewer　 D. fewer; less