33. They are getting ready ______ the lesson .介词填空

for.
be ready to do sth 准备做某事,to 后接的是动词了.
be ready for sth 为某事做准备,后接的是名词(动名词也可以)

for
固定短语prepare for sth = get ready for sth
为某事做准备
be ready to do sth 准备做某事

They are getting ready ___for___ the lesson.

to
短语 be ready to do sth 准备做某事

for

for.