NO-BOOK英语口语提高版 Lesson42

文本：

Lesson 42 Dog

1.It's raining cats and dogs.
2.They have a dog's and cat's life.
3.Even a dog has its day.
4.I'm working like a dog.
5.Don't put on the dogs.
6.Old dogs never learn new tricks.
7.Let the sleeping dog lie.
8.Everything is going to the dogs here.