1.can you tell him to call/ring me back as soon as possible?
2.the purpose for us to learn the language is to communicate thoughts with others.
3.people find it necessary to eat fruit.
4.it's easy to find our school on the map.
5.she planed to send an e-mail to her schoolmaster.
6.她认为与他争论这个问题是很没必要的。
7.我们一起去鞋店买双能够和我的新衬衫相搭配的鞋子吧！
8.他们做出了最大的努力去逃跑。
9.为了保护地球免受污染，（我们）必须采取些行动了。
10.你真好，能够来地铁站为我送行。
哈哈~希望你喜欢