英文笑话：Typing 打字（在线收听）

Teacher: Your typing is improving, Mary. There are only seventeen mistakes here.

Mary: That's great!

Teacher: And now I'll look at the second sentence.

老师：玛丽，你的打字有进步。这儿只有十七个错。

玛丽：那太棒了！

老师：现在我再来看看第二句……