Unit 1 Teenage lifeSection Writing建议信upset be concerned aboutadd up tipIt is that With few people knowing it necessary to give communicating with others do There is no need that you have got to be concerned about it too much.That is why I want to give you some tips on how to solve the problem.I hope my tips will be of great help to you.英 美欣 赏文 化课 时 分 层 作 业点击右图进入Thank you for watching!