从方框中选择恰当的选项把对话补充完整，把标号填在题中横线上即可。
Bob:Arethey____?
ZhangHong:Yes,theyare.They'revery____.Ilikethemverymuch.
Bob:Me,too.ButI____whitewhalesbest.
ZhangHong:Why?
Bob:They'reverykindandfriendly____people.They'reclever,too.
Theycansinganddance.
ZhangHong:Listen!Arethey____now?
Bob:Yes,theyare.
【答案】 【解析】