孩子们放学回家用英文怎么表达？

　　I like to stand at the door to welcome the children in when they come home from school.

　　孩子们放学回家时，我愿意站在门口迎接他们。

　　As soon as the children came back from school, the toys, which had been put in apple-pie order, were soon in disorder.

　　孩子们一放学回家，原先摆放的整整齐齐的玩具很快就变得乱七八糟了。

　　The children's mother was very concerned for their safety when they didn't come back from school at the usual time.

　　孩子们没有在通常时间放学回家，母亲很为他们的安全担心。