I don't know how I should study for a test?改成一个同一句.

I don't know how to i don't know how to It's not suddenly ,it's always .Maby i know why ,but i really don't know how to do what`s love?I don`t know! how to play basketball?I don't know.who know? i don't know how i feel的中文 I don't know how can I ask questions? 英语翻译i don't think i know how.. I don't know.Do it how can i I don't know. i don't know how to do it句型转换i don't know[ ][ ][ ]do. i don't know how与 i don't know why有什么区别? I don‘t know how to make a chicken sandwich.Let‘s go and find r_____ That's because i love you ,So don't know how long our love will last. i don't know how you all manage to survive on Jeremy's salary I don`t know how to have fun.(同义句） I don`t know how to have a good time.I don`t know how to()( I don t know how I should do it同意句I don t know how ____ ____ it 7.I don’t know.How do I use commas?（变成一个复合句） I don’t know I use commas.I don’t know怎么写?