there are 35 students in s.1a.20 % of them fai
there are 35 students in s.1a.20 % of them fai
led an examination aomong the studens who passed the examination . 25% of them got fuii marks 是什么意思
led an examination aomong the studens who passed the examination . 25% of them got fuii marks 是什么意思
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你能帮帮他们吗