i don't know how to do next還是what to do next
what.在這裡what用來做do的賓語.
how這個詞是不能做賓語的,所以要用how的話,do後面還要加上一個賓語,比如it.
I don't know what to do next.改為賓語從句
講講理由
I don't know what I should do next.
I don't know what to do next改成賓語從句
i don't know what i should do next