是一周以前的报纸，文章是用法语写的。

The article was in French, a week old.

youdao

这本书是用法语写的。

This book is written in French.

youdao

对于在正式场合中使用的文件，通常是用法语写的。

So for the papers used in the offical occasions, they are usually written in French.

youdao

And you're not counted off for errors that you make in writing, either, if you're writing in French; and it really rocks, trust me.

你在写作里有错,也不会扣分的,如果你用法语写的话,而且这么着可带劲了,真的

耶鲁公开课 - 1871年后的法国课程节选