Though plastic bags really brought convenience to us,they also___many problems for the environment A.led to B.referred to C.contributed to D.appealed to

plastic bags它是什么意思 Though plastic bags really brought convenience to us,they also___many problems for the environment A.led to B.referred to C.contributed to D.appealed to empty plastic bags around us 是什么意思? Used plastic bags,cans,bottles and so limited the use of disposible plastic bags为题目的作文 plastic (Polypropylene) bags谁知道这个翻成中文是什么? dn`t throw plastic bags away!改为反意疑问句 We should reuse both plastic bags and paper ,同义句 We should reuse _ _ plastic bags _ _ paper We will use the plastic bags for our rubbish.(否定句）We______use the plastic bags for our rubbish. We reuse our plastic bags.同义句转换We _______ our plastic bags_________. We must do something to protect our environment.We should use these bags（ ） plastic bags. they use paper bags,they don't use plastic bags.they use paper bags___ ___ ___plastics bags. break down 用法表示塑料袋难分解,是 plastic bags are resistant to break down 还是 plastic bags are resistant to be broken down china government decide to ban plastic bags开头是we always get free plastic bags when we do some shopping in the supermarket,这是篇文章，求这篇文章 plastic plastic plastic plastic