问题补充:
单选题Hugequantitiesoffreshwater______theresincetheseriousdroughtinthesouthernpartsofChinaA.have sentB.have been sentC.has been sentD.has sent
答案:
B
时间:2018-09-30 16:26:32
单选题Hugequantitiesoffreshwater______theresincetheseriousdroughtinthesouthernpartsofChinaA.have sentB.have been sentC.has been sentD.has sent
B