(    ) 1. A. Good night, Lily.             B. Goodbye, Lily.            C. Good morning, Lily.

(    ) 2. A. Glad to help you.             B. Of course.                C. It doesn’t matter.

(    ) 3. A. Thank you.                  B. Let me see.               C. Don’t say that.

(    ) 4. A. Certainly.                   B. Well done.                C. Never mind.

(    ) 5. A. Don’t worry.                 B. Good idea.               C. Nothing much.

(    ) 6. A. Once a month.               B. Last Sunday.              C. For three times.