Which are your pens?

Which are your pens? These pens are your.henna ___these your pens -----Yes,they are .填空 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? Are they your pens? 单复数互换 Are these your pens?（同义句转换） Are these ------------ -------------- Are these pens yours?不应该是Are these your pens?不懂. There are many pens on the desk,which one is Are these _______.A.yours pens B.pens yours C.yours pen D.your pen选择题 Are these _______.A.yours pens B.pens yours C.yours pen D.your pen are these your pens?这句话的同意句是什么? How many pens are therein your pencil-box怎么回答 Are your pens in the pencil box?(做否定回答) Are ___（that）your pens?用适当形式填空 Are these your pens?(不改变句子原意,改写句子)