摘要： On a rainy day I was driving north through Vermont I noticed a young man holding up a sign “Boston . A. where; reading B. when; reading C .where; to read D. when ;to read
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On a rainy day I was driving north through Vermont, ______ I noticed a young man holding up a sign _____ “Boston”.
A. where; reading B. when; reading
C. where; to read D. when; to read
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