Directions: There are ten short incomplete dialogues between two speakers, each followed by four choices marked A, B, C and D. Choose the answer that appropriately suits the conversational context and best completes the dialogue. Mark your answer on the ANSWER SHEET by drawing with a pencil a short bar across the corresponding letter in the brackets. Man: Excuse me, madam. May I sit here Woman:______
A．No, you can’t. B．Yes, you may take the chair. C．Of course not. D．I’ m afraid it’ s taken.