问题描述：
help Which one is right?Why?
－Could you tell me the way to the post office?
－I am sorry,____I'm a stranger here myself.
A but B.then C.so D.otherwise
－Could you tell me the way to the post office?
－I am sorry,____I'm a stranger here myself.
A but B.then C.so D.otherwise
问题解答：
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