《2025年华东师大版一课一练五年级英语上册沪教版54制》

How to keep our teeth clean and healthy
1. Brush our teeth at least twice a day｡
2. Get a new toothbrush every three months｡
3. Eat more crunchy fruits and vegetables｡
4. Go to see the dentist once a year｡

答案： How to keep our teeth clean and healthy
1. Brush our teeth at least twice a day｡
2. Get a new toothbrush every three months｡
3. Eat more crunchy fruits and vegetables｡
4. Go to see the dentist once a year｡