—What color ____ her shoes?—Black.A. am B. is C. are
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 _____.
Every driver is _____ to obey the traffic rules.