听下面一段材料,回答第1-3题。 |
1. What are the speakers mainly discussing? |
A. How to use a vacuum cleaner. B. Where to buy a vacuum cleaner. C. Which vacuum cleaner to purchase. |
2. What is the probable relationship between the speakers? |
A. Workmates. B. Husband and wife. C. Customer and saleswoman. |
3. What do we know about the Aerosaurus? |
A. It's fifty years old. B. It's cheaper than Gilo. C. The delivery costs less. |