31 B => it was

32 A => if

33 B => not to go

34 D => the day after

35 B => to think about

19.A--> turn off

A => turn down

31.because of

32.because of

33.because

34.although

35.because

36.warm

37.the weather is bad

38.

39.was

1 => because of

2 => because 

3 => because

4 => although

5 => because

6 => warm

7 => the weather was bad

8 => because

9 => was

10 => because of

44 C

45 B

46 B

47 C

48 B

49 D

50 B

14 A => must

15 D => can

1 C => us to buy

2 A => so

3 C => to

4 B => too

5 B => interesting

6 A => too

7 D => anything

8 A => so much

9 B => such

10 A => such interesting

3 A

4 B

5 A

6 C

7 B

8 B

9 C

10 D

11 A

12 B

13 D

14 B

15 A

16 C => few

17 B => entertaining

18 D=> a great number of

D - for five years

C - had visited

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