30. Mom started early in the morning, so I guess it ______ long before she phone me about her arrival.

A. wasn’t　 　B. isn’t 　　C. won’t be 　　D. hasn’t been

29. Judging from her ______ voice, I knew at the moment that we finally won the game.

　 A. exciting　 　　　B. unexciting　　 C. excited　 　D. unexcited

28. I’m not sure if I should get a part-time job when I’m in college and that is ______ my parents’ opinions and mine differ.

　 A. where 　　B. which　　 C. what　　 D. when

27. They only invited two of us, Tom and ______, but ______ of us could spare any time for the meeting.

　 A. me, neither 　　B. I, none　　　 C. I, neither 　　　D. me, none

26. I laughed at his poor performance in the driving test, but when it was my turn, I could hardly do ______ .

　 A. little better　　 B. as good　　 C. any better 　　D. so good

25. This series of products ______ in special price for a month to promote its sales from next tenth. 　

　A. are　　 B. is to be 　　C. has been　　 D. would be　　

24. I ______ to the meeting on time, but a car crash caused a serious traffic congestion.

　 　A. must have got 　B. could have got　 C. need have got　 D. should have got

23. I tried in vain to find ______ mouse; fortunately, I could make do with ______ used one in one of my bookcase drawers.

　 A. a, an　 　B. the, a 　　C. the, an　　 D. a, a

22. That afternoon, there was no one in the classroom but me, so I could have the classroom ______ myself, listening to some music and singing loudly to it.

　 A. to　　 B. of　　 C. by　　 D. for

21. When I saw the beautifully decorated house, I really wondered ______ she could manage that all by herself.

A. why　 　B. when　 　C. where　 　D. how