1.我们谨慎地对待环境.
We must _______  ___________  _________ the ______________.
2.扔掉玻璃、纸张、和金属是很浪费的行为.
It's ___________ to __________ __________ paper, glass and metal.
3.我们筹钱去帮助那些贫苦地区的孩子.
We ________ _____________ to help students in poor areas.
4.我们每天制造垃圾,而这些垃圾对我们的环境有危害.
We produce waste every day and           _____ ________ ____ our environment.
5.甚至最简单的日常活动也能对环境产生很大影响.
Even the simplest everyday activities can ________ ____ __________ ____ the
environment.