Rita and Anna have finished their homework, ______? A. have they B. haven’t they C. didn’t they
Making a loud noise in public does great _____to people’s hearing.
When Miss Wang went into the classroom, she saw someone _____ chess.
—Mike, where’s today’s newspaper? —Well, you don’t need to read it because there is _____in it.
His grandfather _____ for two years.
There are ten people in the classroom, but I know _____.