这句话对么How long is it open one day?为什么?

这句话对么How long is it open one day?为什么? How useful a book it is!这句话对么? how long will it last 这句话对么?还是应该说how long will it last for?讲出道理 How long is it? 请问It is about 15 minutes' walk.可以用How long does it take?来提问么How long does it take?这句话本身完整吗? How clever a boy he is!这句话对么 Can you tell me how far it is from the moon to the earth?这句话对么 it is today that is your birthday 这句话对么 It is 3066 now. 这句话对么?谢谢了 Is it a blue map?这句话对么 How long are you collecting it?这句话对吗? how long will it last 这句话对么?还是应该说how long will it last for?讲出道理如果还原成陈述句不是 it will last for how long么?这样不是解释的通么?这样的话后者不是对了么?还有就是用什么提问时才能 请问how long is forever?这句话对吗? The long of the plane is more than 50 meters 这句话对么? HOW LONG WILL IT BE?HOW LONG DO YOU THINK IT WILL BE?这两句话的语序为什么不一样? How long do you suppose it is since he left for Europe?— No more than half a month.这句话it is ..是不是How long do you suppose 的表语从句 How foryunately I am 这句话对么 I can t decide how shall i do it.这句话对么?错在哪里