1. Where does this conversation most probably take place?
A. At a bus stop.                            B. At an airport.                   C. At a railroad station.
2. What probably caused the woman’s stomachache?
A. The seafood.                       B. The medicine.                  C. The cold.
3. How much is the red book?
A. $4.                                    B. $5.                                 C. $6.