题目内容
—Can you tell me _______ to send this postcard to New York by airmail?
—Let me check. Oh, it's one dollar.
—Let me check. Oh, it's one dollar.
[ ]
A. how long it takes
B. how much it costs
C. who can help me
D. if there's a post office
B. how much it costs
C. who can help me
D. if there's a post office
B
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