NO BOOK口语提高版Lesson118:敲击
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Lesson 9 Knock
rtunity knocks but once.
k it off, you big mouth!
3.I knocked my socks at the E-mail.
fantastic BMW knocks me dead.
didn't knowk off until 5 o'clock.
's knock around this topic.
graduated from the school or hard knocks.
was a real knock out.
