I、单项选择(共15小题，每小题1分，共15分)
( ) 31. —May I speak to Tom?
—Sorry, he _______ Japan. But he _______ in two days.
A. has been to; will come back B. has gone to; will be back
C. has gone to; would come back
( ) 32. The population of China is______ than________ of any other country in the world.
A. larger, the one B. more, that C. larger, that
( ) 33. Tom made a few friends in China and he __________them by e-mail last year.
A. keeps in touch with B. keeps up with C .kept in touch with
( ) 34. There is ________ snow and it’s ________ cold this winter.
A. too much ; too much B . too much; much too C. much too; too much
