1. You must do exercises everyday

2. You should not go to your bed late because it's harmful to your health

3. My friend worked very hard but she didn't pass the exam

4. She have to go to see the doctor

5. Because of the heavy rain, he went to work late

I don't have many time to play cards with you

=> I don't have much time to play cards with you

Vì sao các nước đế quốc không chiếm hết toàn bộ Trung Quốc mà lại phải chia xẻ?