my pen is cheaper than his.这个his在语法上叫什么?区别于this is his pen中的his.

my pen is cheaper than his.这个his在语法上叫什么?区别于this is his pen中的his. 答句是,Ben’s pen is cheaper.问句是 This pen is cheaper than the other two.(同意句转换) ThThis pen is cheaper than the other two.(同意句转换)This pen is of the three ____that is my pen My pen is gone.My pen is lost.My pen is gone.My pen is lost. The pen is ______ than that one.A.more cheap B.cheap  C.much cheaper D.quite cheaper The pen is ______ than that one.A.more cheap B.cheap  C.much cheaper D.quite cheaper this pen is cheaper than the other two(同义句)this pen is （）（）of the three The pen is cheaper than that one.（同义改写）The pen is ___ ___ than this one. It is _____. A.pen B.my a pen C.a my pen D.my pen my pen is blue ; my friends is this is a my pen The pen which l bought yesterday is cheaper.拆分成两个句子 her sweater is cheaper than my.（改错） This is not my pen.M______ is Sally is my pen pal.She lives in a small city.A big supermarket is west of Sally's home.South of th This pen is the cheapest of the three .（同义句转换）（请说出理由）哪一种正确?1、This pen is cheaper than the other two.2、This pen is cheaper than the other pens. 3、This pen is cheaper than other two pens.O(∩_∩)O谢谢 this is( )my pen.it's( )pen.( )里填空