开放英语 课本 unit31

[00:02.66]Extract 1  Answer the questions using the cues in your book.
[01:19.83]Extract 2  Answer the questions using the information in your book.
[02:49.30]Extract 3 Listen to part of Polly's job interview.
[04:12.44]Extract 4  Respond to the questions following the instructions in your book