The new railway station has been in _ since 2003,now it can _ people.(service)

问题描述:

The new railway station has been in _ since 2003,now it can _ people.(service)
People _ the river in the past,but now the _ has become better.(pollute)
We began to use the station in 1998.=The station _ _ _ _ since 1998.=The station _ _ _ _ since 1998.

The new railway station has been in served_ since 2003,now it can serve_ people.(service)People polluted_ the river in the past,but now the pollution_ has become better.(pollute)We began to use the st...