Ответ:

19) C. will you do

20) A. didn't have

21) B. is coming

22) B. neither

23) D. not yet

24) B. was hoovering

25) D. will

26) A. will

27) C. taller than

28) A. the nearest

29) C. yours

30) C. had

31) B. have you been

32) C. haven't booked

33) B. comes

34) A. closing

35) B. used to

36) C. take up

37) A. does the train?

38) B. who

39) B. you are going to fall.

40) C. should!