题目内容：

根据下面对话中的情景，在每个空白处填入一个适当的语句，使对话恢复完整。

A: Excuse me , 1.________________________________________________?

B; Sorry , I don’t know .

A: 2._____________________________________ .(Then A walks to C)

A: Excuse me , could you tell me where the Yinhe cinema is ?

C: Of course . It’s the fifth floor of the Jiangzhou Mansion (大厦) .

A: 3.____________________________________________?

C: Walk along the street to the first crossing , then you will see a ten-floor building on your left . It’s the Jiangzhou Mansion . You can take the elevator to the fifth floor. And you will find the Yinhe cinema on it.

A: 4.____________________________________________?

C: About fifteen minutes .

A: 5._________________ . Good-bye !

C: Bye-bye .