brother...复数形式
ls he your brother?改为复数形式
That is his brother的复数形式
twin brother的复数形式是什么
This is my brother.改为复数形式
Is this yuor brother改成复数形式
those的单数形式;he的复数形式;brother的复数形式,parent复数形式
sister brother son daugher father mother parent 的复数形式
my brother wants a botter of orange变成复数形式
写出mather father this sister brother is 的复数形式.
brother的复数形式是brethren还是brothers
My brother has a round face.(改为复数形式)