Ihavesome________theEnglishgrammar

发布时间:2020-07-26 11:36:49

I have some ________ the English grammar.A.difficulties in understandingB.difficulties to understandC.difficulty understandingD.difficulty to understand

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C解析have difficulty(in)doing sth.为固定短语,意为“做某事有困难”,其中difficulty是不可数名词,不能用复数形式。
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