good同意词.

good同意词. Are you good at maths?同意句 Walking is good exercise.同意句 be good at 的 同意句式是什么? Is he good at math同意句 Kate is my good friend .同意句 What a good boy 转同意句 Drinking milk is good for us同意句转换急! Tom is his good friend.改为同意句 My brother is good at his study.改同意句 Mary is good at playing soccer.改同意句 John is good at English的同意句