Hoàn thành câu

----- Nội dung dịch tự động từ ảnh -----
8. Keep silent or you'll wake the baby up.
→ If you don't keep silent, you will wake the baby up.
9. Stop talking or you won't understand the lesson.
If.........
10. If I don't know her number, I won't ring her 'up.
→Unless.......
11. If I don't know the answer, I can't tell you.
→ Unless
12. We will get lost If we don't have a map.
→ Unless....