2 Passengers in b class can board now.
举一反三
- Passengers can board or exit a train at a stop/stairwell. A: stop B: stairwell
- Sometimes passengers can upgrade their class for free.( )
- First class passengers can take 2 pieces of baggage with a total weight of 10 kilos on board. A: 正确 B: 错误
- 中国大学MOOC: Passengers can carry liquids on board with a limit of less than100ml for the container.
- 中国大学MOOC: First class passengers can take 2 pieces of baggage with a total weight of 10 kilos on board.