22. ---Would you like to go bike riding with us tomorrow?　 ----Sure, _____ I am busy.

　 A. since　　 B. unless　 C. when　　 D. until

21. ---Did you go to Jim’s birthday party?　 --- No, I _________.

　 A. haven’t invited　　 B. didn’t invite　　 C. am not invited　 D. wasn’t invited

20. -Can I look at the menu for a few more minutes before I decide?　 -Of course, ______,sir.

　 A. Make yourself at home.　　 B. Take your time.　 C. Help yourself.　 D. Enjoy yourself.

18.-Are you going to Jane’s birthday party this weekend?

　 ---Yes, of course. She’ll be unhappy if we _______.

A. didn’t go　　　 B. won’t go　　 　　C. haven’t gone　　　 D. don’t go

.19--- Steve .I’ll go for a picnic with my friends after the exam.

　 ---_________.

　 A. That’s it　　 B. Have fun　 C. It’s a pleasure　　　 D. It doesn’t matter

17. Nobody but a few little children ______ in the garden now.

A. are playing　　 B. is playing　　 C. play　　 D. plays

16. - I have bought an English-Chinese dictionary . 　　 - When and where ____ you ____ it ? 　　 A. do ; buy　　　　 　　　B. did ; buy　　 　 C. have ; bought　　　　 　D. will ; buy

15. ---Math is too hard for me , Mum . I failed again .

　 --- Come on ,dear .______ is too difficult in the world ,you see if you put your heart into it .

　 A. Everything　 B. Something　 C. Anything　 D. Nothing

14. --- Peter didn’t come to school yesterday, did he ?

　--- ________, he had to look after his sick mother at home .

　 A. Yes, he did　　 B. No, he did C. Yes, he didn’t　 D. No, he didn’t

13. Trees and flowers _______ every year to make our country more beautiful.

　　 　A. is planted　 　　　　　 B. was planted　 　　　　 C. are planted　 　 　　D. were planted

12．-___________?

-He is tall.

　　 　A. How is he　 　 B. What does he like　 　 C. What is he　 　　 D. What does he look like