----- Nội dung dịch tự động từ ảnh -----
1. It's a good idea for students to do the homework after school.
=> Students should
2. It's not a good idea for children to play video games so much.
=> Children shouldn't
3. It's a bad idea for us to go to school by car every day.
=>We shouldn't
4. It's not necessary for us to get up early today.
=>We don't have ...
15. You are not allowed to touch this machine.
=> You mustn’t