Ann.s father is ______ her mother.
A.older four years than
B.four years old than
C.four years older than
D.four years than older
出自:国家开放大学英语语法

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块