----- 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