22. You’ll do much better ____ you’re more careful with your spelling .

A. if　　　 B. before　　 C. although　　 D.unless

21. Be careful , ____ you will fall off the tree .A. so　　　 B. or　　　　 C. but　　 　D. and

20. –What about ____ speech ? -It was too tiring , you know , ____ speech for me ?

A. a ; the　　 B. the ; a　　 C. the ; 不填　 D. a ; a

19. Pass me ____ dictionary next to the radio , and I also need ____ pen to write something .

A. a ; a　　 B. the ; the　　 C. the ; a　　　 D. a ; the

18. The experts think that India’s population may be ____ than China’s _____ 2020.

A. much ; by　 B. more ; in　 C. larger ; by　 D. larger ; on

17. ____ you work , ____ knowledge you’ll get .

A. The harder ; more 　B. The harder ; the more C. Harder ; the more　 D. Harder ; more

16.-Can you understand me ? - Sorry , I can ____ understand what you have said .

A. hardly　　 B. almost　　 C. nearly　　 D. easily

15.This year our school is ____ than it was last year.

A. much more beautiful　 　B. much beautifulC. the most beautiful　　 D. beautiful

14. All of them can take this job , but I want to know who is ____.

A. the most careful　 B. more careful　 C. careful　 D. very careful

13.All the clerks went home____Mr Wang , for he had to finish his work .

A. except　　 B. besides　　 C. without