听力资源简介：

Dialogue12

laurance--There's a good chance that Mary
          will get home today.
soony--Teah.I had a letter from her friend,Susan,
       yesterday,and she said that Mary would probably
       arrive today.
laurance--Well, I hope she drives carefully.You know
          how the traffic is this time of year.
soony--Oh.Mary's a good driver--and pretty careful,too.
       I don't think we need to worry about her being
       careless.
laurance--true,but,nonetheless,that doesn't mean that
          all the other drivers are careful.There are
          a lot of wild drivers out there.
soony--I have confidence in Mary.She's very good about
       driving defensively.

注解:
a good chance:有很大的可能性.
about her being careless:her being careless 是复合宾语
nonetheless:(副词)然而,不过.=however,nevertheless
drive defensively:意思是开车时谨慎小心