试听180秒Chapter5 Unit7 地铁服务

时间不够，又唠会凑数

11 wait for passengers to disembark before boarding the train.

10. you will usually have to wait from five to twenty minutes for a train.

9. Train stop for between two to four minutes at every stop.

8.Please mind your step when exiting rhe train.

7. Please make sure you have all your belongings with you.

6. This train is about to make a brief stop at broadway station.

5. Which platform does the southbound train depart from?

4. I can ’t find exit 4 ,can you tell me which way i need to go.please !