The taxi, bus, bike and subway are all the common means of _________.
举一反三
- How did David go to the museum? A: By bike B: By bus C: By subway
- subway指的是交通工具的一种，那么下列哪些词也指的是交通工具 A: airplane B: taxi driver C: bus station D: ship
- Taking a ( ) is expensive. A: us B: taxi C: subway
- .: By bus|By driving|By taxi|By walk
- Taxi and bus are substitutes. When the price for taking a taxi rises, _____ will appears. A: Quantity demanded for bus becomes more. B: Less taxi service would be supplied. C: Demand curve for taxi will shift to the right. D: Supply curve for taxi will shift to the left.