4. Unless she asks you, don't tell Ann what i said.

5. Unless we hurry, we will be late

6. Unless you don't stay up late, you will be late tomorrow morning

7. Unless you don't drive too fast, you may have an accident

8. Unless he doesn't ask me, I will tell him about the plan

9. If you stop smoking, it'll be better.

10. We can only get into the house if we have a key.

A nhé chị