Who knows how many countries there are on the earth

How many nations are there in the world?who knows? Who knows how many countries there are on the earth ‘How many people can you see in the picture?’Who knows改为宾语从句 who knows many stories什么意思 WHO KNOWS HOW TO APPLY FOR MSN? How many people can you see in the picture who knows?怎样变成带有宾语从句的复合句 Mozart left behind more than 600 works,but who knows how many more pieces by the master lie _____ to be discovered?A.waiting B.waited C.to wait D.wait He who knows most knows best how little he knows什么意思? who knows who knows? Who knoWS? ()do you buy so many cakes?a:how ,b:why,c:who,d:how much 翻译Mozart left behind more than 600 works,but who knows how many more pieces by the master lie waiting to be discovered? who knows how long it will be lasted ____these girls do you know?A.which of B.Who are C.what D.how many who is the ( ) girl?填什么可填 A,short,B,shorts,C,how much,D,how many who when where why how many how much how long how few how often how soon -Willie has been fired by KFC.-_____He is late for work five times a week!A.Hardly surprisingB.Forget it!C.How come D.Who knows