Giúp mình với cảm ơn nha

2. I haven’t got any scissors so I can’t lend you any.

®If_________________________________________________________________________

21. If you persist in defying instructions, we’ll be forced to act.

®Should________________________________________________________________________

4. His father is very sad because he failed the examination again.

® If he ________________________________________________________________________

5. She didn't go over her illness as we expected because she stopped using the medicine.

® Had she ________________________________________________________________________..

6. He didn't pay attention to my words, so he couldn't solve the problem.

® If he ________________________________________________________________________.

7. She gets up early so that she won't be late for school.

® If she________________________________________________________________________

8. I had a flu last week. I couldn't go to school during the time.

® If ________________________________________________________________________

9. You had better save your money in the bank.

® If________________________________________________________________________

10. Unless you know her new telephone number, you can't phone her.

®You can only________________________________________________________________________