how many country are there in the UN?哪里错了?

how many country are there in the UN?哪里错了? How many people are there in the county?的同义句是( )the( )of the country? How many traffic lights are there in every day country怎么回答 how many communist country in the world? how many bears are How many derks are how many trees are how many books are How many students are there in your class___ homes are in the country?whosewhowhomwhich为什么选A How many _____(science)are there in your country?You should listen to your teacher ____(care)in class. 是there are many country还是there is many? how many legs are there? how many stop are there How many pears are there? How many stars are there? How many birdges are there? HOW MANY BOOKS ARE THERE How many people are zhere?