31. There are sixty minutes in __________hour.
A. a B. an C. the
32. –Lily has a silk __________.Listen,she is singing in the next room!
-- How nice!.
A. look B. noise C. voice
33. – Peter,can you tell me the differences__________the four words?
--Sorry,I don’t know.
A. between B. among C. for
34.--Hello! May I speak to Kate?
--Sorry, she isn’t here now. She __________to Shanghai.
A. went B. has been C. has gone
35. --Which do you prefer, tea or coffee?
-- __________is OK.I don’t care.
A. Either B. Neither C. Both