-She ___________ Shanghai on business. She ___________ back in three days.
—No, it _______ be her. She _______ to Japan.
—He ______ the library. You can find him there.
—All of them ________ the museum.
—He _______ to Changsha.
—Yes, I have. It's fantastic.
— Because they Longzhong for a study trip.
—It ______ be him, for he _____ to America.
—She Hong Kong on business for a few days.
—He isn't at home now. He________ New York.
— Don't you know he ______ No. 2 Middle School for a meeting?
—Sorry, he__________ Xiangyang. He _________the city for two days.
—She _____ Beijing. She'll be back in three days.