—Time to go home, Peter.
—Wait a minute. I can’t go home ________ I finish cleaning the hallway.
since
after
until
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.
--- Can you tell me where Tom is? --- He ________ on the playground. A. plays B. playing C. is playing