根据下面的对话情景，在每个空白处填上一个适当的句子，使对话的意义连贯、完整。

A: Hi, Dave! Come in and sit down. 1_______?

B: Orange juice would be fine. 2_______?

A: Oh, not bad. And you?

B: Just so-so. 3_______. And I have no time to relax.

A: By the way, what do you want to do after leaving school?

B: 4_______.

A: Sounds good. Do you have a part-time job?

B: Yeah, I work as a waiter in a restaurant. 5_______.

A: Wow. That's great.

贝多芬的《欢乐颂》是他的《______》交响曲中的一段大合唱。

A．第三
B．第五
C．第六
D．第九