I should think of new way to make my lessons easy ( )(understand)?

问题描述:

I should think of new way to make my lessons easy ( )(understand)?
I should think of new way to make my lessons easy ( )(understand)?
请问括号内填什么?为什么?

to understand
easy to do 做某事容易
I should think of new way to make my lessons easy to understand.
我应该想新方法使我的课程容易理解.请问为什么不用 to be understood?easy to understand容易理解easy to be understood容易被理解如果用easy to be understood 后面通常接人,如for students。请你把句子写完整好吗?Ishould think of new way to make my lessons easy to be understood for students.请你再举几个例子好吗?关于动词不定式的,何时用主动、何时用被动?