To finish so much work in a day is impossible.

一天之内干完这么多事是不可能的。

Sally is leaving tomorrow and coming back on Saturday.

傻俐明天走，星期六回来。

This is just what I wanted.

这正是我想要的。

I was walking home when I met Dave.

我碰到大卫时，我正往家走。

We got stuck in a traffic jam on our way to the airport.

去机场途中塞车了。

Could I use your mobile phone?

能借用一下您的手机吗？