Walt Disney was famous _______his cartoons.
—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 as as Tom.