mình cần gấp please :3

đáp án là

bài 3:

26. do (1) -> would

27. have -> had

28. hasn't broken -> didn't break

29. wouldn't -> won't

30. would -> will

31. wouldn't break -> wouldn't have broken

32. hasn't been -> hadn't been

33. could built -> could build

34. have able -> have abled

35. knew -> had known

36. has given -> had given

37. to take -> to take part in

38. had send -> had sent

39. wouldn't have order -> wouldn't have ordered

40. could have known -> had known

bài 4

1. Unless I feel better, I won't go to school.

2. Unless you question Tony, he won't talk to you.

3. Unless you put on your overcoat, you'll be cold.

4. Unless you work hard, you will fail the exam.

5. Unless you keep your feet dry, you'll get a cold.

6. Unless I leave now, I'll miss my flight.

7. Unless you are going to the party, I won't go.

8. Unless you give me your address, I can't send you a postcard.

9. Unless I won a big prize in a lottery, I'd not build a school for the poor.

10. Unless you leave me alone, I'll call the police.