NO-BOOK口语提高版 Lesson118:敲击

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Lesson 9 Knock

1.Opportunity knocks but once.
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.