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:2018-11-26 00:46:33
单选题Plasticbagswon beallowedtobeusedforfreeinthesupermarkets.Theycan _________easily,whichdoesgreatharmtoourenvironment.A.break offB.break inC.break downD.break out
C