问题描述：
Good moring,Sir,May I help you yes I'm afraid I left my bag in a taxi this afternoon ______.
about 2000dollars.
A When did you lost it?
B What's in your bog?
C How much is it
D How much does it cost?
about 2000dollars.
A When did you lost it?
B What's in your bog?
C How much is it
D How much does it cost?
问题解答：
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