——Mike, have you heard that Mr. Black knocked down a girl and hurt her badly yesterday morning. ——Yeah. He_____too fast to stop his car while the girl was crossing the street.
—The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job? —____ my students have a try?
He is only too ready to help others, seldom, ____, refusing them when they turn to him.
—Look, it ____ again. —Yeah. This is the third snow we ____ this spring.
All attentionon the beautiful girl, the boy didn’t notice the teacher enter the classroom.
Constant practice has erased my accent to a pointmany people think I’m a native speaker.