They put it in( ),and take it home,or to their workplace.A、papers bagsB、papers bagC、a paper bag

问题描述:

They put it in( ),and take it home,or to their workplace.A、papers bagsB、papers bagC、a paper bag
D、paper bags

C a paper bagC是a paper bags,少了s,有没有影响的?有那是哪一个?a 和 paper 都是用来修饰bag的, 因此bag 不能用复数