My sister and I are a student 这句话对面

问题描述:

My sister and I are a student 这句话对面

语法不对
My sister and I are students

错了 正确的应该是
My sister and I are students.
我和姐姐是两个个体student 要用复数

My sister and I are students.

错。

肯定不对了
后面要用复数
my sister and I are students