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单选whatareyoudoingonSaturdaymorning?Iamwatchingafootballmatchat9:00—TvA.inB.atC.onD.to

题目详情
单选
what are you doing on Saturday morning?
I am watching a football match at 9:00 —Tv
A.in B.at C.on D.to
▼优质解答
答案和解析
c