They are from America.(改为同义句) They —— —— America.

They are from America.(改为同义句) They —— —— America. They are from america (变为同义句） They're from America.改同义句. He came from America (改为强调句) He —— from America they are from america(变否定句） We are from America.（改为同义句） they are going to America by plane的同义句 ----what are they from?----They are from America.改错 They are from America的一般疑问句 he comes from america.(改为同义句) I am from America改为同义句 They are America boys.