1、Wearemakingholesintheoznoelayermainlybyusing(chemicals、chemistries、chemistry、chemical）2、Weusetheseinfridgesandspraycans,andtomakeplasticitems（suchas、like、as）最重要的是解释一下原因本人

Question

1、We are making holes in the oznoe layer mainly by using________(chemicals、chemistries、chemistry、chemical）2、We use these in fridges and spray cans,and to make plastic items（such as、like、as）最重要的是解释一下原因本人做的答案是chemicals、such as 感激万分

Answer 1

chemicals、like正确吧,chemicals相当于复数可数名词,再看下题,后面只有cans一个单词,应用like,