用所给单词的正确形式填空。
Are _______ （this）his teachers?
Those _______（dictionary）are hers．
_______ （thank）for your help．
Who are those girls? They are _______ （Lucy）sisters．
The _______ （photo）of the children are very nice．
I don’t know her name．Let _______（we）ask her!
The parents have two children，a son and a _______（daughter）．
What about _______ （watch）TV?