--- Look there’s a painting on the floor. Is __________ painting yours, Joe?--- No, I don’t have a painting at all.A. a B. the C. /
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.
——Have the police caught the thieves _____ the bank last week? ——Yes, they were caught yesterday.