题目内容
13.Not until I bought what I wanted from Walmart yesterday did I learn that my daughter wouldn't come back for lunch.In fact,I ______ so much food.( )A. | wouldn't have bought | B. | mustn't have bought | ||
C. | couldn't have bought | D. | needn't have bought |
分析 昨天在沃尔玛买完想要买的东西后我才知道女儿不回来吃午饭.实际上,我本来不必买这么多吃的.
解答 答案:D
题干表示的是对过去事实的相反假设.wouldn't不会;mustn't不准;couldn't不能;needn't不必.句意表达的是我买吃的是为了女儿回来吃饭,要不然,没必要买这么多.故选D.
点评 情态动词加完成时态表示对过去事实的相反假设.needn't have done sth本不必做某事.
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