题目

You are wet through . You ____ in the rain . A . must come B . must be caught C . must have caught D . must have got caught 答案：D。 解析: “must +不定式的完成式”表示对过去发生行为的肯定推测，只用于肯定句。句4中，be / get caught in a rain 为一个固定搭配。

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