Activities about Environmental Protection by the School Social （1） .
on Saturday afternoon	make videos about the tree-planting activity at school and in the （2）
from （3） o'clock to 10 o'clock on Sunday morning	pick up litter in the market and on the street（remember to wear（4） trousers and sports shoes）
on Sunday afternoon	visit a factory and （5） about what kinds of shopping bags are environment-friendly