Question

A classmate of ___ was here ten minutes ago. A. you B. your C. your sister D. your sister’s

Answer 1

选D。这里要用名词所有格或者名词性物主代词。

Answer 2

of 前面是部分 of后面是整体 或范围
答案是 D. your sister’s =your sister’s classmates
a classmate of your sister’s 你姐姐同学中的 一个 同学

Answer 3

名词所有格，所以应该是D。

Answer 4

C