题目内容
Q: When is the man going backpacking?
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In this conversation, two students are talking about backcountry skiing. Listen carefully, and fill in the gaps with one word or one number.[音频]They are flying into the backcountry by ________ .
They will be _____ in the Rocky Mountain backcountry.
It would be ____ to ski the groomed trails.
They like the ___ of skiing where no one else does.
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