Plastic bags have caused serious environmental pollrtion,___

Plastic bags have caused serious environmental pollrtion,___ plastic bags Environmental problems have become increasingly serious in d plastic (Polypropylene) bags plastic carrier bags plastic wastes and environmental problem Say no to plastic bags If _____(shop)need plastic bags,they have to pay now in Chin To many cars have caused a lot of serious problems in our li china government decide to ban plastic bags empty plastic bags around us 是什么意思? Used plastic bags,cans,bottles and so