3. We should prevent people 　　　　　trees along the river.

　　　　　　 A. to cut 　　B. for cuting 　C. from cutting　　 D. to cutting

2. 　　　　　he was rich, he gave little money to the others.

　　　　　　 A. Because　　 B. Though　　 C. As　　　　 D. Since

1. I think　　　　　 necessary to do some running in the morning.

　　　　　　 A. it　　　　 B. that　　　　　 C. this　　　　　 D. one

10. We are very glad to see the fast　　　　　 of our city.(develop)

9. The audience shouted ____________ (excite)

8. This book gives us the　　　　　 of the true story. (present)

7. You should　　　　 (改进) your ways of studying.

6. He's　　　　 (通过) all the exams.

5. People can live only a few days _________ (with) water.

4. The doctor _________ (做手术) on the patient last night.