Question

[nguyen thảo linh]

câu điều kiện

Answer 1

[Đỗ Thanh Hải]

19 had been - would have been

20 had had - would have gone

21 were- would tell

22 didn't know - had known - would have come

23 will - do - don't come

24 not to tell - have just said

25 had - would write

26 were - would know

27 don't eat-will get 

28 would change - were

29 is - will go

30 were - wouldn't do

31 will have

32 looked

33 had fed

34 would understand

35 would arrive

36 would have had

37 swim

38 press

39 had asked

40 would call