1 时光飞逝time goes by
正确的，time flies
2 我热的受不了I am very hot
l can not stand bear the heat
3 我给你发了封邮件
l send e-mail to you
l sent you an email
4 这本书花了我10元。
it takes me 10 to buy the book
it cost me 10yuan
5 你可以把门开着。
you can open the door
you can leave the door open
6 第一步总是最重要的。
the first step is the most important
the first step is important
