May I speak to your manager at four o’clock thisafternoon–I’m sorry. He ________ to a conference long beforethen.

Mrs. Smith lives next to us. She is really a good ______ because she is always ready to help people around her.

I can’t find my notebook anywhere. I’m afraid I ______it.

Who called me this morning when I wasout—A man calling ______ Robert

(2013·四川省巴蜀名校一模)Everyone is different and that is ________ makes our world much better