31. ________was difficult to save the places and buildings _____destroying their old beauty.
A. That…unless B. This…except C. It…without D. There … except for
30. If we had followed his suggestion, we could have done the work better with _______money and ______people.
A. less…fewer B. fewer…less C. little…fewer D. less…few
29. I won’t listen to the new CD unless I ______my homework.
A. will finish B. shall finish C. finish D. finished
28. Think after you read ____.
A.which words do you need to look up B. you need to look up which words
C. which words need you look up D. which words you need to look up
27. Great changes _______in our city in the past twenty years.
A. have been taken place B. have taken place
C. took place D. were taken place
26. He said he would rather not ________it right now.
A. doing B. to do C. do D. to be doing