初中英语单项选择一题
--TodayisMonday.It'syour____tocleantheblackboard.
--Yes.I'mondutytoday.I'lldothatatonce.
A.jobB.appearanceC.turnD.work
but,why?
说明原因,不要长篇大论的COPY!
既然答案都给出了,就表再给个字母刷分了吧...