—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
—Would you like to meet John at the airport?—________. He is the last person I want to see.
He had planned to make a compromise, but ______ he changed his mind at the last minute.
I lost sight of Wang Ping when we reached _______ looked like a large market.
Come and see me whenever _______.
He found them at a table chess.