i can think of many cases___students obviously knew a lot of english word and expressions but couldn't write a good essaywhich where why?
问题描述：
i can think of many cases___students obviously knew a lot of english word and expressions but couldn't write a good essay
which where why?
答
that
答
where
翻译过来就是：我可以举很多例子，在这些例子里面（可以说明）学生明显的知道很多英语单词和短语，但是却不能很好的写出来。
用Where 表示这些例子中
答
我选where
因为从句是一个完整的句子，不缺主谓语。
答
where 表明在某种情况中
答
case 后用where 记住即可