but he often helps me with my maths because he is g_____at it.根据短文内容及首字母提示写单词they are not only my goog c____,but also my goog friends.
问题描述：
but he often helps me with my maths because he is g_____at it.根据短文内容及首字母提示写单词
they are not only my goog c____,but also my goog friends.
答
good; coaches