152.(2007 天津卷) If Newton lived today, he would be surprise by what ____ in science and technology.

A. had discovered　　 B. had been discovered　 C. has discovered　 D. has been discovered

151.(2007 四川卷) -Did you see a man in black pass by just now?

　 -No, sir. I ________ a newspaper.

　 A. read　　　　 　　　B. was reading　　 　C. would read　　　 　　　D.　 am reading

150.(2007 四川卷) When you get the paper back, pay special attention to what ________ .

　 A．have marked　　 　B. have been marked　 　C．had marked　 　D．had been marked

149.(2007 上海春) John had to have his car repaired in a garage because it　　 seriously.

　　 A．damaged　　　　 B．was being damaged　　 C．had damaged 　 D．had been damaged

148.(2007 上海春) The unemployment rate in this district　　 from 6% to 5% in the past two years.

　　 A．has fallen　　　　　　　 B．had fallen　　　　　　　 C．is falling　　 D．was falling

147.(2007 陕西卷) I　　　　 　there little more than a week when I set to work with the scientist.

A.would be　　　　　　 　 B.have been　　　　　　　　　　 　　　 C.had been　　　　 　　 D.will be

146.(2007 江西卷)-I have got a headache.

　 　　　　　　-No wonder. You　　 in front of that computer too long.

　　A.work　　　 　　　B.are working　　 　　　　C.have been working　 　　D.worked

145.(2007 江西卷) -Ouch!You hurt me!

　-I am sorry. But I　　 any harm. I　　 to drive a rat out.　

A.didn’t mean; tried　　　　 　　　B.don’t mean; am trying

　 　　　　　　　C.haven’t meant; tried　　　 　　　D.didn’t mean; wes trying

144.(2007 江苏卷) -______ you ______ him around the museum yet?

　 　　　　　　　-Yes. We had a great time there.

　 A. Have … shown　　　 B. Do … show　　　 C. Had … shown　　　 　　 D. Did … show

143.(2007 江苏卷) At the end of the meeting, it was announced that an agreement ______.

　 A. has been reached　　 B. had been reached　　 C. has reached　 　　　　 D. had reached