what to next it为什么加what

what to next it为什么加what how to do it next还是what to do next What does "it" refer to here?为什么要加to? 英语翻译答案写what to do 或 how to do it,为什么?为什么what to do 不用加it how What to do next? WHAT WE TO DO next?what are we to do next?为什么 It gives advice ____ what to do next. what to do next 还是 what to do the next 为什么是what fun it is to. 请问I don't know what to do next.中的what to do next是宾语从句吗?为什么? It essential that everybody know what to do 为什么 know不加s Have you decided what to do next?中what为什么不能换成how?