4. He ran _______ fast that he had got a pain in his side.

　A. too　B. very　C. quite　D. so

3. Make sure that_______ straight.

　A. it　B. is it　C. it is　D. its

2. ________ the Green wall, the land produces more crops.

　A. Thank to　B. Thanks to

　C. Thank for　D. Thanks for

1. Forests help to keep water _____ away.

　A. from to run　B. from running

　C. from run　D. from the running

6. Bill enjoys playing football.

　A. often plays　B. is good at　C. does well in　D. is interested in

5. There are many trees on each side of the river.　

　A. either side　B. all side　C. both side　D. another side

4. We have friends all over the world.

　A. through　B. throughout　C. together　D. together with

3. Tom will go to Guang Dong by plane.

　A. by train　B. by air　C. by car　D. by shop

2. Thanks to your help, I finished the working time.

　A. Because　B. Under　C. Without　D. With

1. Neither Tom nor Peter is at home.

　A. Everyone of them　B. Neither of them

　C. Not both of them　D. Neither of them