Another thing that he found very difficult was English gramma.（改为同义句）
问题描述：
Another thing that he found very difficult was English gramma.（改为同义句）
____ _____ another thing that the found very difficult?
(怎么填?为什么?)
答
(Grammar) (was) another thing that he found very difficult.
他发现另一个非常难的事就是英语语法.
变成：（英语）语法是他发现另一个很难的事.