选词填空。8b2a*A.u-B
My birthday’s 1W7@/\5x'ythe 3rd of December. （in, on）8b2a*A.u-B
Is your birthday 5r:])V;^0w2T*m)H/p6p7q;I0~4mDecember, too ? （in, on）8b2a*A.u-B