how many sign are used for fingerspelling in english

how many sign are used for fingerspelling in english how many bears are How many derks are how many trees are how many books are Do you know how many years you are going to study in the US How many stars are on the US flag?谁能帮我解决这个问题? This sign tells us how we should do something(句意不变） This sign tells us ____ ____da something How many students are born( )the star sign of Aquarius in your classAwith B to C under D for 有谁知讲讲思路，今天才考试的 .There are 100 buildings along the street,A sign maker is ordered to number the buildings from one to one hundred,How many 6s will be need? 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? How many people are there?