最佳答案:Who are they=Who're they ?不明白的再问哟,请及时采纳,多谢 !
最佳答案:他们是谁:Who are they?他们:they 是:are 谁:who
最佳答案:那不是一支钢笔,它是一支铅笔 :that’s not a pen,it's a pencil他们是谁?我的朋友.:who are they?---my frie