16. ---- Smoking is bad for your health.

　 ---- Yes, I know. But I simply can’t ___________ .

　A. give it up　　　　　　　　　　　 　 B. give it in　　　　　　 　　　 C. give it out　　　　　　　　　 　　 D. give it away

15. I’ve won a holiday for two weeks to Florida. I _________ my mum.

　A. am taking　　　　　 　　　 B. have taken　　　　　　　　 　 C. take　　　　　　　　　 　　　　 D. will have taken

14. It ____________ that helped the old man in the street the other day.

A. is we　　　　　　　　　　 　　　 B. are us　　　　　　　　　　　　 　 C. was we　　　　　　 　　　　 D. were us

you make sure _____________ the gold ring?

A. where Alice had put　 　 B. where did Alice put　 C. where Alice has put D. where has Alice put

12 Somebody called you just now, but I didn’t know __________.

　A. who were they　 　 　　 　B. who they were　　　 C. who was it　　　 　 　　　　　　　 D. who it was

13. ----- Have you been to the Great Wall before?

　 ----- No it is the first time that I _____________ here.

　A. have been 　　　　　　　　　 　B. had been　　　　　 　　　 C. have gone　　　　　　　　　 　　 D. had gone