What are the words in the circle? There is a conversation to help you. Write down the words in the blanks.
圆圈里有些什么单词？下面的对话可帮助你找出这些单词。请将这些单词的适当形式填入空格。
A: Excuse me. Is this David's home?
B: . . . .
. . .
A: .
