It's not easy for me to learn science.改同义句

问题描述:

It's not easy for me to learn science.改同义句
I'm so sorry
I ( )( )( )( )( )science 在括号中每空一词 所以 都不对啊 汗

It's not easy for me to learn science.
= I (think it hard/difficult to learn) science.
注:hard和difficult之间任意选用其一.