97.He would have given you more help， if he _____ （not be） so busy.
98. I would recommend that you _____ （think） about doing something similar for yourself.
99. She treats me as if I _____ （be） a stranger.
100. It‘s time something _____ （do） about the traffic problem downtown.
101. It was imperative that students _____ （finish） their papers before July 1st.
102. It is high time that we _____ （take） firm measures to protect our environment.
103. Had he been treated well， he _____ （get over） this disease.
104. If only the board _____ （approve） the proposal and put it into effect.
105. If thalidomide _____ （invent） today， it would never be released for human use because new tests on pregnant animals would reveal the dangers.
106. He _________（write） her 10 letters since he met her last years.
107. I think it necessary for him ________ （finish） the work in time.
108. The house is ______ （complete） before his brother‘s wedding ceremony.
109. You had better ________ （bring） enough money with you.
110. If I hadn‘t listened to you， I would _______ （make） such a silly mistake.
111. The three players repeatedly denied ________ （take） any drug.
112. People who are entitled to ________ （vote） should be over eighteen.
113. If she ______（catch） the 10 O‘clock train， she can get there by lunch time.
2. 从句
――――定语从句，名词从句和状语从句
1.It was there， the police believe， _____ she was able to activate the recorder she kept in her bag.
A. until B. which C. that D. when
2.It is not yet known _____ computers will one day have vision as good as human vision.
A. whether B. if C. that D. how
3.Such attitudes amount to a belief _____ leisure can and should be put to good use.
A. which B. if C. whether D. that
4. Many of us visited the industrial exhibition， ， to our disappointment， we saw very few high-tech （高技术） products.
A. where B. which C. as D. that
5. On the other hand concern is also growing about the possibility of a new economic order _____ resource-rich nations of the Third World would combine to set high commodity prices.
A. which B. what C. that D. in that
6.Studies have shown _____ teenagers often suffer from depression.
A. that B. which C .in which D. in that
7. It is becoming increasingly clear to policy-makers schools cannot solve all the problems of the larger community.
A. that B. what C. when D. who
9. There is no doubt _____ a large number of people have benefited from heart surgery.
A. what B. of C. if D. that
10. Such people _____ you describe are nowadays.
A. as B. that C. who D. which
11. Was it in that school _____ he developed his interest in physics？
A. which B. from which C. where D. that
12. Why do you blame him fo
