问题补充:
单选题Plasticbagswon beallowedtobeusedforfreeinthesupermarkets.Theycan _________easily,whichdoesgreatharmtoourenvironment.A.break offB.break inC.break downD.break out
答案:
C
时间:2019-06-16 10:41:26
单选题Plasticbagswon beallowedtobeusedforfreeinthesupermarkets.Theycan _________easily,whichdoesgreatharmtoourenvironment.A.break offB.break inC.break downD.break out
C