单项选择题

When I knocked at the door, my mother ______.

A． cooked
B． was cooking
C． cook
<上一题 目录 下一题>
热门 试题

单项选择题
Happy New Year!
A． Glad to see you.
B． Here you are.
C． The same to you.
单项选择题
She has been in Tianjin for ten years. Tianjin has become her second ______.
A． house
B． family
C． hometown
相关试题