1. Some people of the Vietnamese ethnic groups living in tourism areas can speak English very fluently. Some students in big cities cannot speak English fluently. → (more) 2. People in the countryside live in a simple way, but people in a city don’t. → (more) 3. Children in big cities tend to know a lot about technology, but children in the countryside tend to know a little. → (more) 4. She loves to learn about the traditions and customs of Vietnam than anything else. → (most) 5. It is really interesting for him to talk with his music teacher about Jazz. → (fancy) giải thích thêm hộ mik nha !