她花了四十分钟完成作业。

She spent forty minutes finishing her homework.

她在会上讲了四十分钟。

She spoke for forty minutes at the conference .

我有四十分钟时间来写这篇文章。

I have forty minutes to write this article.

今天早上，我开车上班用了四十分钟。

This morning it took me forty minutes to get to work.

它需要我四十分钟的时间，所以我比别人到那里早些。

It takes me forty minutes, so I usually get there earlier than others.

无论如何四十分钟后，我们好去，在设立新的燃油泵。

Anyway forty minutes later we were good to go with a new fuel pump in place.

比赛持续了四十分钟，比分是78比80——数学老师获胜。

The match lasted forty minutes and the result was 78:80-the maths teachers won.

有三节四十分钟的课，中间有二十分钟的休息。

There are three forty-minute lessons, with a twenty-minute break in between.

我们中午有四十分钟的休息时间。

We have a forty-minute break at noon .

在四十分钟内了解真相！

Get the lowdown in 40 minutes, flat!