They are a hundred yuan(对a hundred yuan提问)

They are a hundred yuan(对a hundred yuan提问) ( )___students are on the playground A They are one hundred B Two hundreds C Only one hundred of D How many cow are there 的答句是：A I have one hundred B They aretwenty C They are twelve 《 》is your father?He is forty years old.< >are the shoes?They are one hundred yuan a pair十万火急 There are about two _____factories in our city.They make much pollution.A.hundred.B.hundreds.C.hundred of.D.hundreds of. They are at (?) two hundred people over there 快How much [ ]the sheep -----[ ]one hundred yuan each.A是are.They areB是is.It's C是is.They are There are only ( ) students.a.nine hundred b.There are only ( ) students.a.nine hundred b.nine hundred of What are they?They are____young trees.D.hundreds of B.two hundreds C.hundred of C.hundred of )___students are on the playgroundA They are one hundred B Two hundreds C Only one hundred of D Hundreds of they,know,a,years,will,what,happen,never,hundred,in Ten multiplied by ten are a hundred对a hundred提问 There are ____ trees in our school.A.hundred of B.five hundreds C.five hundred of D.five hundred There are（）students in the hall.hundred of a hundred of hundreds of There are five_____students in our school.A.hundreds of B.hundreds C.hundred D.hundred of Five___people are waiting for the train.A.hundred of B.hundreds C.hundred a hundred there___ two hundred yuan.A is B are 为什么?