题目内容
16.The electric cooker ______ online is of poor quality.( )A. | buying | B. | to be bought | C. | having bought | D. | bought |
分析 网上购买的电子炊具质量很差.
解答 答案:D 句中buy作cooker的后置定语,buy与cooker之间构成动宾关系,且句意表达的是客观事实,要用过去分词来构成.故选D.
点评 过去分词是非谓语动词的一种,用法很灵活,分为简单式done(表示与谓语同时或几乎同时发生的动作);完成式having been done(表示先于谓语的动作).学习时,要把握其用法特征:表示被动和完成.同时还要注意区分现在分词和不定式.
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