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 Itissocoldthatyoucannotgooutside

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問題詳情:

 Itissocoldthatyoucannotgooutside

 It is so cold that you can not go outside _________ fully covered in thick clothes.

   A. before                B. after                C. unless                   D. when

【回答】

C

知識點:連詞

題型:選擇題

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