Выполним задание.
- Lisa should put on a little weight; she's too skinny.
- Chris thinks that jeans aren't classy enough to wear to a wedding.
- There are many teens who are troubled about their body.
- Olga believes that she isn't pretty enough to be a fashion model.
- Don't expect Angela to come and talk to you first. She's too shy around new people.
Ответ: смотри решение в ответе.