15.children are often　 told not to play　　　 　fire.

　　　　 A、　 on　　　　 B、 at　　　　　　 C、　 for　　　　　 D、with

14. _______ do you want to be when you grow up ?

　　 A. What　　 　　　　　 B. How　　 　　　 C. Who　　　　　 D. When

13. The visitors _________ here two hours ago .

　　 A. arrived in 　　B. got to　 　　C. arrived　 D. arrived at

12. Mr. Smith ________ an hour on this work .

　　 A. spent　 　　　　 B. took　　　 　　　　 C. used　　　　　 D. paid

11. Last Saturday , we visited _________ house in the country .

　　 A. the Green　 　　B. the Greens’ 　　　C. Greens　 　 D. the Greens

10. She met her uncle _________ her way _________ school .

　　 A. at , /　　　　 B. on , /　　　　 C. at , to　　　　 D. on , to

9. My apartment is not _________ .

　　 A. big very much　 B. enough a big　 C. a big enough　 D. big enough

8. We _________ in this school for about two years .

　　 A. study　　　 B. studied　　 C. will study　　 D. have studied

7. We saw many people wait for the bus ___________ .

　　 A. at the bus stop　 B. in the way　　 C. on the way　　 D. by the way

6. I like the green coat , ________ my mother likes the red one better .

　　 A. and　　　　 B. but　　　　 C. so　　　　 D. or