33. ―Excuse me.  Is this the right way to the Summer Palace?

  ― Sorry, I am not sure.  But it _______ be. 

A. might               B. will              C. must               D. can

32. ―What happened to you the other day?

   ― I _____ to Beijing, but I missed my flight. 

  A. would fly            B. was flying        C. had flown         D. flew

31. ―Is Liu Hua serving in the army?

   ―No, but he ______ in the army for three years. 

  A. served              B. has served           C. is serving          D. would serve

30. _____ she couldn’t understand was ______ fewer and fewer students showed interest in her class. 

  A. That, what           B. What, why          C. What, because           D. Why, that

29. ______ you keep on trying, you can come top in your class someday. 

  A. So long as           B. As soon as           C. Once             D. The moment

28. A new satellite is reported _______ next year to meet the need of the country’s development. 

  A. being sent up         B. to send up           C. to be sent up       D. sending up

27. What shall we use for power when all the oil in the world has _______?

  A. given out            B. put out              C. held up                    D. used up

26. I am going to visit my former teacher in the countryside tomorrow, ______ I’ve not written letters for a long time. 

  A. from whom          B. to whom             C. from which                     D.  to which

25. ―Would you mind lending me your car for a short time?

   ―Oh, ______ I need it right now. 

  A. I am sorry                                 B. please don’t

  C. no problem                                 D. yes, please

24. About 87. 5% of the Chinese people feel that their living burdens are heavier than ten years ago, but their incomes _______. 

  A. have increased                               B. increase

  C. increased                                   D. are increasing