TOEIC® listening part III, set 20, exercise 5

[Saneta]

http://www.english-test.net/toeic/listening/putting_it_right.html

1. Oh, it's my bad=Oh, it's my fault? ot =it's my bad number?
2. The one on the 16 smeared=The one number on the 16th crate is unclear/smudgy?
3. I'll radio the warehouse= I'll contact by radio with warehouse?
4. another driver will special deliver them this afternoon=shouldn't it be:
another driver will specially deliver them this afternoon?

thanks

[Beeesneees]

1. Ugh, I hate this new expression. It means 'It's my mistake'. People, it seems, are too lazy to use a two syllable word and have adapted an inappropriate one syllable word instead.
2. yes
3. yes
4. 'special delivery' is the name of the service, so in informal conversation this is acceptable... he will deliver them via the 'special delivery' service.
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Cheers m' dears!