—Can you play ________ piano? —No, I can’t. But I can play ________ basketball.
-Can you tell me Kitty’s address.-I don’t know, either. But I’ll tell you her address when she ______ to me.
Mr. and Mrs. Black ______ back _________.
——The dining room is dirty. Can anyone clean it?——________ I do it all the time.
——Would you mind turning down the music?——_____.
——Why is the classroom so dirty?——Sorry, Sir. It _____ yesterday. We forgot to do it.