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 Thereweresignshereandthere,

練習題1.63W

問題詳情:

 Thereweresignshereandthere,

 There were signs here and there, _____ visitors to look out for ______ rocks.

A. warning; fallen                B. warned; falling

C. to warn; fallen                 D. warning; falling

【回答】

 D

知識點:非謂語動詞

題型:選擇題

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