—They go to school early in the morning. —
A:So do Tom.
B:So Tom do.
C:So does Tom.
D:So Tom does.
已知m2+n2﹣6m+10n+34=0,求m+n.
35÷8和8÷35 的意义相同。
用钢笔描红。
井口 井沿 弄错