Dear factory leader, I'm Zhang Han.I'm a student in No.3 Middle school.There is a river in front of our village.It is clean all over the year.Most of our drinking water comes from here.However,a...
Dear factory leader: I'm a student in No.3 Middle School.My name is Zhang Han.There is a river in front of our village.It's clean all the year.But this year,your factory was built in our village...