I,___your good friend,will try my best to heip you out A who is B who am 请各位选出答案,并说出理由
问题描述:
I,___your good friend,will try my best to heip you out A who is B who am 请各位选出答案,并说出理由
答
A
who泛指第三人称单数,应该用is