IF WE USE LESS PAPER, WE CAN SAVE TREES IN THE...A- REGIONS B- AREA...

4- - BAI KIEM TRA ANH 9 THANG 1 0809
BAI KIEM TRA ANH 9 THANG 1 0809

4- If we use less paper, we can save trees in the...

A- regions B- areas C- places D- forests