Choose the correct answer

D) didn’t
31. You ... see a doctor if it doesn’t clear up.
A) had better B) must have
C) had to D) needn’t to
32. ... I invite Tracy round after tea? We want to play my new computer game.
A) Can B) Must C) Need D) Should
33. It’s strange that you ... say that.
A) must B) have to C) had better
D) should
34. You ... always ... a degree to become a journalist.
A) can’t have B) needn’t /had
C) don’t /need to have
D) should/have had
35. I ... see that she was tired.
A) was able to B) had to
C) might have D) could
36. They ... the Prime Minister much more searching questions. I wonder why they
didn’t.
A) could have asked
B) must have asked
C) shouldn’t have asked
D) needn’t have asked