I DON'T KNOW .HOW DO TO BETTER BUT JUST DO IT请问有人知道是什么意思吗

i don't know how to do it句型转换i don't know[ ][ ][ ]do. I don't know.Do it how can i i don't know ()to do.填what还是how 歌词i don't know how do I don’t know what to do.I don’t know how to do.（ × ） 第二句 how 怎么错了?I don’t know what to do.(正确) I don’t know how to do.（ × ） I don t know how I should do it同意句I don t know how ____ ____ it i dont know what to do (next) 和i dont know how to do (next)的区别 为什么I don't know what to do成立而I don't know how to do不成立 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? You know,I still love,don't ask me.I don't know how to do it.3Q I don't know how should I do和 I don't know how I should do 这两个哪个对?为什么 I don't know how to say it in english How to do i don't know how to do it为什么how后要有一个to I don't know how to say it in english How to do And I don't know how I can do without I just need you now I am unhappy,i don't know how to do?i want to leave here. i don't know how to do next还是what to do next I don't know how to