问题补充:
单选题________ofmysistersareexpertsinagriculture.Helpingthefarmersimprovetheirfarmingtechniques_________theirduty.A.Each; areB.Both; isC.Neither; areD.None; is
答案:
B
时间:2020-01-26 08:07:45
单选题________ofmysistersareexpertsinagriculture.Helpingthefarmersimprovetheirfarmingtechniques_________theirduty.A.Each; areB.Both; isC.Neither; areD.None; is
B