翻译下列句子。

1. 他过去常常惹许多麻烦。

    He used to _____ _____ _____ _____ _____.

2. 这位母亲交不起她的孩子的学费。

   The mother couldn't _____ _____ _____ _____ her child's education.

3. 他的妈妈尽可能照顾他。

     His mother _____ _____ him as well as she _____.

4. 他对学习不感兴趣，总是惹警察的麻烦。

    He was not _____ _____ his _____ and he often _____ _____ _____ with the police.

5. Martin有必要和他的妈妈谈谈。

    _____ _____ _____ for Martin to talk with his mother.