these pens cost five dollars.(单数第三人称）

these pens cost five dollars.(单数第三人称） Are these pens ___? These are my pens同义句 These pens _______ These pens are your.henna Amy have five pens 改成一般疑问 These five years of These are our pens .They are（）. Give them these pens（同义句） Are these pens?是一般疑问句吗? These pens are blue 改为一般疑问句 Are these your pens 同意句 are these your pens?做肯定回答 are these your pens?不改原句,该句子 These are your pens,_______?如何做? These pens are().()are over there. These pens are yellow.改疑问句 Whose pens are these?(Betty)They____________. Are these his pens改为陈述句