She is my friend（改为一般疑问句）
问题描述：
She is my friend（改为一般疑问句）
That is his sister（改为复数句）
These are her pencils(改为单数句）
答
Is she your friend?
Those are his sisters.
This is her pencil.
注：一楼的第一句、二楼的第二句、三楼的第一句是错误的,望楼主注意.
希望对你有所帮助!