﹣I think the classroom needs ___________.
﹣Well, you are right( )
A.cleanB.cleaning
to be cleaning
cleaned
—Thank you for showing me around your school, Daming. —_____________.
We are playing football. Come and ______ us.
---_________ the door, please. ---Please come in. The door________.
I don’t think it is a good idea, ________ ? A. isn’t it B. is it C. do we
Some of the apples are bad,but I believe the rest sweet.