John, don't throw the rubbish on the floor. We should keep the school .
Oh, sorry. I won't do it again.( )
busy
noisy
dirty
clean
He is always the first boy ____ gets to school.
I don’t like people ______ talk much but do little.
(2014)—Do you know_______ in America? —Sure. It’s the third Sunday of June.
If you can not find the place, I will show you _______.
If you watch carefully, you can see ________ the man does the trick with the cards.