题目内容
15.________ in his paper,he didn't notice his teacher coming.( )A. | Having absorbed | B. | Absorbed | C. | Absorbing | D. | Being absorbed |
分析 他专心致志地在做试卷,没有注意到老师来了.
解答 答案:B 句中有逗号分隔,没有连词,要用非谓语动词;be absorbed in专心致志,absorb与主语he构成动宾关系,要用表示被动的过去分词;句意表达的是客观事实,要用过去分词的简单式作原因状语.故选B.
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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