—Do you know ____ girl over there?— Yes. She is ____ exchange student from America.
— I was at the cinema at 9 o’clock last night. What about you? — I _____ at home.
They missed the school bus, _____ they were late for class.
—_____ do you go to the cinema? — Once a month.
— Must I finish the work today? — No, you _____.
Betty will ring me up as soon as she _____ in Shanghai.