25. Jack ______ leave _____ his teacher comes back.

A. doesn’t, until　 B. /, until　 C. won’t, /　D. won’t, u

24. When ______ the car ________?

　A. did, invent　 B. was, invented　　C. does, invent　D. in, invented

23. They sprinkled some sugar _______ the cake.

　　 A. in　　　　 　　　　B. at　　　　 　　　　C. with　　　 　　　D. on

22. They decided _______ at the end of this month.

　A. to leave　B. going back　C. travel　D. not stat out

21. I don’t like this kind of potato chips because they are not _______.

　A. crispy　 B. sweet　C. soft　 D. sour

20. The police found the lost car _______.

　A. with mistake　 　B. by accident　C. by mistake　 　D. in accident

19. My mother told me that my homework must _______ on time.

　A. finish　 B. be finish　 C. be finished　D. finished

17. All the books will _______ to the children who live in the small village.

　A. be sent　　B. sent　 　C. be send　 　D. send

　18 Keys _______ used for ______ the doors.

　A. is, opening　　B. is, opened　 　C. are, opening　 D. are opened

16. A cook can’t cook well if he doesn’t _______ food.

　　 A. taste　　　 　　　　B. look　　 　　　　　C. feel　　 　　　　D. sound

15. – Would you come along with me?

　 -- ________. But first I have to finish the homework.

　 A. Yes. I want　　 B. Sorry. I can’t go　　 C. I’d like to　 D. OK. I will go