how old is it?能这么说吗为什么 说明原因

how old is it?能这么说吗为什么 说明原因 情问：I don't know --------怎么填?（A.he is how old B.is he how old C.how old is he D.how old he is)能说一下相应的语法知识,并举一个例子吗? what mean is it 可以这么说吗 What exact time is it这么说可以吗? How far is it from the library to his home?能说how far away. How important a thing it is to keep our promise!这么说对吗?是不是应该把it去掉啊?很多材料都这样说,但是how的感叹句型不是应该在名词的后面直接接动词吗? 能不能这么说：No matter how old or young we are,it's never too late to learn.主要是有没有No matter how old or young we are 这一句型 how old is How old is how is the old How old is How old is How old is she? HOW OLD IS 说就行 英语 How old is ... how old is lily How is the weather today?能换成How is it today吗?为什么? how long is 可以指时间吗 也可以指距离吗 可以问it is how long吗?能问how long it how long it