It is hard to ( )a good habit,but it is even harder for him to( )a bad habit.

It is hard to ( )a good habit,but it is even harder for him to( )a bad habit.

题目
It is hard to ( )a good habit,but it is even harder for him to( )a bad habit.
A form drop B have cast C get throw D build miss
答案
A
形成好的习惯难,放弃坏习惯更难
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