25. -May I help you?

-________.

A. Yes, you may B. No, you may C. I want three books D. They are five yuan

IV. 动词填空: (20分)

24. Fifty-nine ________ nineteen is forty.

A. minus B. equals C. plus D. multiplys

23. These pens are ________ sale.

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

22. The bike is 1000 yuan, it is too ________, I can't take it.

A. old B. new C. expensive D. big

21. Twenty plus sixteen ________ thirty-six.

A. equals B. equal C. are D. add

20. How much ________ the erasers?

A. am B. is C. are D. be

19. My mother often buys vegetables ________.

A. at school B. at home C. in the market D. in the tea shop

18. -________ is the pen? -It's 3 yuan.

A. How old B. How much C. How many D. How old

17. -What do cows eat? -They eat ________.

A. meat B. bread C. fruit D. grass

16. -Where does a snake live?

-It lives ________.

A. in the lake B. in a tree C. in a hole D. in the river