I think is C.# I9 t" g" W8 S% Z1 a
' O P. L# j( ^* p公仔箱論壇Since A & B will have no way to know, and D did not know the answer.
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1 V4 T- q1 _8 W& XThis is a tough question for grade 1.
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I most likely cannot answer it within 5 minutes when I was that young.www3.tvboxnow.com& }0 E2 n5 [) i; U
k, k0 {( w* T/ _/ QWow, really enjoy this question. Thank you for sharing. |