Nobody noticed the thief slip into the house because the lights happened to__________.
Tony’s mum looks young and beautiful. It’s hard to imagine she is already in her .
— Where is Joan? — She a novel in her study.
Mrs. Smith often goes to visit those AIDS patients in hospitals to cheer up.
Our class teacher asked us .
A: Is that your physics teacher? B: That can’t be Mr. Lin. He to Hangzhou with his wife.