36. A. the one of a professor B. that of a professor
C. a professor D. that of a professor’s
35. A. an hour B. a week C. a moment D. a day
34. A what they think B. which they believe C. that they think D. those they believe
33. A. they are B. it is C. they have D. there are
32. A. enough B. food C. fair D. useful
31. A. free B. perfect C. polite D. famous
30.A. part of the matters B. all the questions C. some of the affairs D. all the problems
29. A. in the past B. sometimes C. for some time D. not yet
28. A. choose B. learn C. master D. publish
27. A. Before B. In order that C. As soon as D. Though