() 13. The wetland provides the birdsfood and shelter.

   A. for   B. to     C. with   D. of

() 17. the factory,the students learned a lot about different machines.

   A. When their stay in   B. During their stay in

   C. When they stayed to   D. During they stayed in

() 12. Many topics in the book, food and drinks,travel and hotels.

   A. are covered;including   B. cover;include

   C. covers;including   D. are covered;include

() 11. She wanted to borrow the book called Red and Black from the library. But she found there was left. She had to wait.

   A. no one   B. none   C. nothing   D. not anything

() 10. We must do everything we can our earth safer and cleaner.

   A. made   B. to making   C. make   D. to make

() 9. What do you think if the car on the way to the mountain.

   A. can we do,is broken down   B. can we do,breaks down

   C. we can do,breaks down   D. we can do,is broken down

() 8. —Do you know second-hand smoke?

一To protect our health and memory.

A how we should prevent   B. where should we prevent

   C. why we should prevent   D. whether we should prevent

() 7. 一Did you watch the movie last night?

一I had planned to,but it hard all the time. ”

   A. was raining   B. is raining   C. has rained   D. would rain

() 6. -Whv did you come to school late this morning? -   .

   A. Because of the traffic bad   B. Because of the bad

   C. Because the traffic were bad   D. Because the traffic is bad

() 5 We firmly believe that wars never solve anything. They onlyviolence (暴力) .

   A. run into   B. come from   C. lead to   D. begin wit