1. As teenagers grow, it is normal for them to bee confused (困惑的)with the changing world both inside and outside of them.
2 To remember so many words in such a short time is really challenging (挑战性) for an ordinary students.
3. She has been cchatting with his friends online all the morning. No wonder she hasn’t finished the task yet.
4. If you eat the right food and exercise rregularly , you can feel better, look better and have more energy.
5. After a heated aargument , a decision was finally made.
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