汉译英（这三个句子怎么说）

The children have already cleaned their desks at the time the visitors arrived.
As the time was flying, he has developped his interest in English.
The students try to find out what he did.

1、When visitor's at the appointed time, the children already reorganizedthe school desk
2、Along with time passing, he more and more is interested to English
3、The students wanted to find out him to make any