|
as a student, we can try our best to save the environment.
this is one of the way to save tree.
write all the note and answer in 1 page of paper, but not write on another new A4 paper.
as a student, we can try our best to save the environment.
this is one of the way to save tree.
write all the note and answer in 1 page of paper, but not write on another new A4 paper.
訂閱：
張貼留言 (Atom)
張貼留言