A.Yes, we do. | B.Yes, I do. | C.No, I don’t. |
A.What do you want? |
B.What can I help you? |
C.What can I do for you? |
A.How much are they? |
B.How many apples are there? |
C.What do you want? |
A.How are you? |
B.How do you feel? |
C.How old are you? |
A.Thank you. |
B.Excuse me. |
C.I ' m sorry. |
A.Hello!Are you Mr. Black? |
B.Hello! I ' m Peter .Who are you? |
C.Hello! May I speak to Mr. Black? |
A.a pair of | B.a bottle | C.A bottle |