问题描述：
＿＿＿to sunlight fot too much time will do harm to one”s skin.
A.Exposed B.Having Exposed C.Being Exposed选哪个,现在分词与过去分词用法的区别?
A.Exposed B.Having Exposed C.Being Exposed选哪个,现在分词与过去分词用法的区别?
问题解答：
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