11 C

12 C

13 C

14 B

15 B

6 D

7 D

8 C

9 B

10 C

II

1 A

2 C

3 C

4 A

5 B

51 were crossing - saw

52 were having

53 knocked - were watching

54 was listening - was reading

55 phoned - was taking

46 were playing

47 were you doing - was watchign

48 saw - was talking

49 come - cook

50 was drinking

41 sat - ate

42 were holding

43 arrived - met

44 was clean

45 was stolen

36 was reading - was cooking

37 came - was reading - were listening

38 listened - was

39 were you doing

40 arrived - had - went

31 were having

32 knocked - were watching

33 was listening - was reading

34 phoned - was taking

35 were playing

26 were you doing - was watching

27 saw - was talking

28 came - were cooking

29 was drinking

30 were crossing - saw

21 enjoyed - kept

22 did you ever go - were

23 met - was working

24 stayed

25 were playing