Lesson 20,The U.S.,冀教版（一起）四年级英语下册,the U.S.,the U.S., the U.S., shes from the U.S. They speak English in the U.S.Washington D.C. is its capital city.,Where is it from?It is from .,Where is it from?It is from the U.S.,Where is she from?She is from the U.S.,The Yellow Stone National Park,The White House,The Capitol Hill,Washington D.C.,GOODBYE！,
