题目

The weather turned out to be fine yesterday, I ________ the trouble to carry my umbrella with me. A. should have taken         B. could have taken C. needn’t have taken        D. mustn’t have taken   答案： C   考查虚拟语气。句意：我们没有必要找麻烦带伞。此处needn’t have taken表示“没有必要做的事做了”。  

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