While having our dinner, _______. A．the door bell rangB．our newspapers came to t
题型：不详难度：来源：
While having our dinner, _______. | A．the door bell rang | | B．our newspapers came to the door | | C．we heard the door bell ringing | | D．the postman brought several letters to us |
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答案
| C |
解析
试题分析：观察句子结构从句为连词+现在分词，说明是状语从句的省略，根据状语从句的省略的条件：主句和从句的主语应一致，又因为是现在分词，故主句的主语应和have构成主动关系，故排除AB，CD主语为人，均可以和have构成主动关系，但D答案不合逻辑，句意。句意，当我们正在吃饭时，门铃响了。
点评：状语从句的省略同时具备下列两个条件:①主句和从句的主语一致，或从句主语为it；②从句主要动词是be的某种形式。从句中的主语和be动词常可省略。 |
举一反三
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