6. it is wen-known that Thomas Edison ________ the electric lamp.

A. invented　　　 B. discovered　

C. found　　　　 D. developed

答：A．Invent发明(原本设有的东西)，discover发现(原已存在的东西)

5. Cheap coal ________ a lot of smoke.

A. gives up　　 　B. gives in　

C. gives away　 　D. gives off

答：D。give up放弃；give in让步；give away捐赠，泄嚣；give off放出(光热，蒸气等)。

4. Mother______us stories when we were young.

A. was used to tell　　 B. is used to telling

C. used to tell　　　 　D. used to telling

答：C。used to do过去经常做． be (get) used to doing 习惯……。

3. 1 asked him to ______ me a few minutes so that we could go over all the problems.

A. spend　　 B. save　　 C. spare　　 D. share

答：C。spare 抽出时间

2. -What are you doing?

　 -Fm looking ________ the children. They should be back for lunch now.

A. after　 B. at　　 C. for　　 D.　 up

答；C。look after照顾，照料，关心；look for寻找　 look up(在词典、参考书)等中查寻。此题从后文语境可判断出c项为正确答。

1. As soon as he entered the room. he took _________ his cap and sat down.

A. off　　 B. out　　 C. away　 D. down

答：A。take off脱(衣、帽)；take out拿出，取出；take away拿走；take down记下。

70. ft is hard for me to itnagine what I would be doing today if I _________ in love, at the age of seven, with the Melinda Cox Library in my hometown.

A. wouldn’t have fallen　　 B. had not fallen

C. should fall　　　　　 D. were to fall

答：B。此句为虚拟语气的错综时间条件句，从句与过去事实相反，主句与现在事实相反。

69. He will have learned English for eight years by the time he______ from the uni-versity next year.

A. will graduate　　　 B. will have graduated

C. graduates　　　　 D. is to graduate

答：C。主句是将来时，从句用现在时代替将来时。

68. -You haven’t said a word about my new coat, Brenda. Do you like it?

-I’m sorry I _______ anything about it sooner.　 I certainly think it’s pretty on you.

A. wasn’t saying　 　B. don’t say

C. won’t say　　 　　D. didn’t say

答：D。根据 I certainly think it’s pretty on you 可判断前一句意为“抱歉我刚才没有很快做出评价。”

67. -Excuse me, sir. Would you do me a favor?

　 -Of course. What is it?

　 - I ______ if you could tell me how to fill out this form.

A. had wondered　　　 B. was wondering

C. would wonder　　　 D. did wonder

答：B。过去完成时表示在过去的过去，故排除A项。C和D明显与题意不符。was wondering...意为“我(刚才)在想(考虑)。”