Your progress is enough__(make)your mom happy为啥要填to make呢?
问题描述：
Your progress is enough__(make)your mom happy
为啥要填to make呢?
答
enough 后面要用动词不定式作状语，因此，to make
答
be enough to do 足够……
是固定搭配
答
固定搭配 "be enough to do sth." 足够做某事