辛沛沛NO-BOOK 辛沛沛口语提高版下册A Lesson 9 Knock（在线收听）

Lesson 9 Knock

1.Opportunity knocks but onec.

2.Knock it off,you big mouth!

3.I knocked my socks at the E-mail.

4.That fantastic BMW knocks me dead.

5.We didn't knowk off until 5 o'clock.

6.Let's knock around this topic.

7.He graduated from the school or hard knocks.

8.It was a real knock out.