询问一道英文选择题
问题描述：
询问一道英文选择题
when he was studying in Brisbane,he ______call on his uncle there and have dinner with him twice a week.
A.might B.should C.could D.would
答
would有一种用法 表示过去常常 而现在不这样了（注意与used to do的区分：used to do也是过去常常 但这件事可能现在不做了 也可能现在还在继续）
这是一个很重要的语法知识 老师应该也会讲到