请把上面所有的题目写出来谢谢!

一.1.keys;2.dictionaries,hers;3.his,Dale's;4.her;5.your;6.Yours;7.mine
二.1.what's;isn't;2.aren't;who's;3.they're;that's;4.I'm;it's;5.you're
三.1.Is,your;2.it is;it isn't;3.Are you;4.What,his;5.What's;6.he isn't;7.I am;8.Who,your;9.I'm fine;10.What is
四.1.Are those,they are;2.How do;3.What color is;4.Is this,he isn't;5.This is,is that