Mixed practice

Mixed practice :
1. Why don’t study hard ? …………………………
2. Keep silent or you’ll wake the baby up. ………………
3. I don’t know the answer, so I can’t tell you. …………
4. We got lost because we didn’t have the map. ……
5. My friend was so late, so he missed the train. ……
6. This car is too heavy for me to move. …………
7. Morning exercises make me feel healthy. ……
8. The church bells keep me from sleeping. …………
9. Without air, we would die. …………………
10. I advise him to stop smoking. ………………
cần gấp pls ;-;