题目内容：

按要求完成下列句子。

1.They have nine tennis balls.(改为一般疑问句)

_______ they _______ nine tennis balls?

2.Does Bob have a model plane？(作否定回答)

No，_______  _______．

3.David's father has a_nice_watch．(对画线部分提问)

_______ does David's father _______?

4.Two_ping­pong_bats are under the chair.(对画线部分提问)

_______  _______under the chair?

5.I don't like volleyball.Anna likes volleyball.(合并为一个并列句)

I don't like volleyball，_______ Anna _______．