—Look! The man at the gate _______be our headmaster. He is always standing there every morning.—No, it_______ be him. He is holding a meeting in the office now.
—You look worried. What's your________? —I have trouble learning English.
She got a red bike on her_________ birthday.
—Nice talking to you, thanks a lot. —____________.Bye.
—Your new sweater looks very beautiful, it fits you very well. —__________.
—What’s the woman in a white hat? —____________.