How often is the World Expo held?

How often is the World Expo held? How often is the Olypic Gams held? How often is the weather cold where you come from? ___ is the bridge over the river?It is three milesA How long B How farC How manyD How often 英语翻译Democrats rejected a Republian proposal with short-term fixes to the debt limit and the federal shutdown.(这一句with 连接的什么啊 fix to 什么作用)Manufacturing crises to extract massive concession is not how our democracy wor as is often the the rich man often gives his money to c___.how kind he is 用法 This is how the human brain often works when our status changes. ---------------------is the shopping Mall?what,when,which,where,who,how often要在这里选 _____ is the Same Song-Every Weekshown on CCTV-3?A.how often B.how long C.how soon D.how many ——is it from here to the No.1 Middle School?A：How long B：How often C ：How far D：How much （）is it from here to the nearest post office? A.How long B.How soon C.How often D.How far ______ is it from your home to the center of the city?A:How far B:HOw long C:how often How often do you go swimming in the lake --( ).The water in the lake is too dirty.A.sometimes B.Often C Usually .D Never. How often does Candy brush the teeth How often should we pulish the paper? I am just one person.What can I do for the mother earth?The environment is becoming worse and wor climbing a mountain is hard wor