不用learning to forget 为什么加by啊

不用learning to forget 为什么加by啊 by learning to forget是什么意思 i try to be happy by learning to forget learning to 请翻译 we can solve a problem by learning to forget.并在举一例. BY learning to forget .DON’T ask for trouble be happy.啥意思 to learning learning to A person__a foreign language must be able to use the foreign language,__all about his ownA) to learn,to forget B)learning,to forget C)to learn ,forgeting D)learning,forgeting it's good way for us to slove the problem by learning to forget 改成同义句it's good for us to ____ ____ the problem by learning to forget it's good way for us to slove the problem by learning to forget 改为同义改为 it's good for us to _________the problem by learning to forget. it's a good way for us to solve the problem by learning to forget的同义句是 it's good way for us to slove the problem by learning to forget 改成同义句 Don't forget to sag hello to your friends.可不用to吗? 提问英语语法13?分析语法8.A person_____a foreign language must be able to use the foreign language_______ all his own.A.learning,forgettingB.who learns,to forgetC.to learn,to forgetD.learning,forget答案：A我选：B to learn english is important for us.为什么不用learning english Learning to Fly 歌词 Learning is to stand - How to forget how to forget their