问题描述：
he is school A student,which his brother never was
这里我有两个疑问,1.是主语是student,还是前面那个句子,2.是为什么前面用is,后面用was
he is straight A student,which his brother never was
这里我有两个疑问,1.是主语是student,还是前面那个句子,2.是为什么前面用is,后面用was
he is straight A student,which his brother never was
问题解答：
我来补答展开全文阅读