根据句意及首字母提示完成单词。

1. This is my mother's s ______. She is my aunt.

2. My father's brother is my u______.

3. My father's mother is my g ______.

4. Meimei is my good f______, but we aren't in the same school

美术馆应设在小丘( )方向。

A．西北

B．西南

C．东北

D．东南