用hers mine yours 造句(用名词性物主代词造句(mine yours his hurs its ours theirs)造句)
用yours,mine造句Is，this，pen，yours，or，mine，?这支笔是你的还是我的？This，umbrella，is，your......
用yours造句(yourS造句)
用yours,mine造句Is，this，pen，yours，or，mine，?这支笔是你的还是我的？This，umbrella，is，your......