how much do the glasses cost?回答“it cost”还是“they cost”

how much do the glasses cost?回答“it cost”还是“they cost” How much do they cost对还是how much are the cost对 How much do they cost? how much it will cost还是 what it will cost? How much () it () (cost) what the cost of ...还是how much the cost of how much do it cost语法对吗? A how much cost they are B how much do they cost C how much stickers,much,cost,how,do,the,you? how much does it cost还是how much does it? How much does it cost? how much does it cost