-----Look! The girl dancing in the gym ____ be Joe. She is the girl who loves dancing too much, you know. ----- No, it ____ be her. Joe has gone to Shanghai.
—Have you bought an MP3? —________. I’m listening to an English song on it.
—Have you finished your homework________? —Yes, I’ve done it ________.
Steve is looking ________ a Chinese friend by chatting ________ some Chinese children on the Internet.
—Hello, Mr Green! Could you tell me something about your study? —OK, but I’m busy now. I’ll get back to you ________ a minute.
.Li Ming listens to the teacher asas Tom.