There are many people_____ the train station.是用“in”还是“at”?

There are many people_____ the train station.是用“in”还是“at”? where are you now?用at the train station还是in the train statio are many the Beijing Train Station there in people 连词成句 There are many people in the train station,it was c are people there in Beijing Train Station many the 连词成句 Onweekends,there are often many people_____(lie)on the beach How many (policeman)are there in the police station? how many __(bus)are there in the bus station. 是in the bus station还是at the bus station 是at the station还是in the station 是用at the MTR station 还是 in the MTRstation There were many people in the train station last Sunday.(改为同