I,___your good friend,will try my best to help you out.A.who isB.who amC.that isD.what is
问题描述:
I,___your good friend,will try my best to help you out.
A.who is
B.who am
C.that is
D.what is
答
I,___your good friend,will try my best to help you out.
A.who is
B.who am
C.that is
D.what is
选B
定语从句
先行词在从句中作主语,又是人,所以可以用who
又因为【] am】所以谓语动词用am