A、 Classmates.
B、 Colleagues.
C、 Boss and secretary.
D、 PR representative and client.

【正确答案】 B

【答案解析】解析：录音提到，Jokn和Sue加入了一家成功的public relation公司。由此可知他们是同事，即B。

A、 He felt his assignment was tougher than Sue's.
B、 His clients complained about his service.
C、 He thought the boss was unfair to him.
D、 His boss was always finding fault with his work.

【正确答案】 C

【答案解析】解析：录音提到，当John得知老板故意分配他去接待一个难缠的客户时，他很恼火，因此C“他觉得老板对他不公平”正确。根据“Sue, on the other hand，had a more difficult time satisfying her first client”可知A错。

A、 She is unwilling to undertake them.
B、 She complains about her bad luck.
C、 She always accepts them cheerfully.
D、 She takes them on, though reluctantly.

【正确答案】 C

【答案解析】解析：录音提到，Sue开心地接受了每一次的任务，当问题出现时，她通常会回答：“没问题，我可以处理。”由此可选C。其他选项基本上是John的态度。

A、 Sue got promoted.
B、 John had to quit his job.
C、 Both John and Sue got a raise.
D、 Sue failed to complete her project

【正确答案】 A

【答案解析】解析：录音结尾提到，职位出现空缺时，Sue获得了第一次晋升。因此答案为A。