When doing my homework,________.A．I heard the doorbell ringB．the doorbell rangC．
题型：不详难度：来源：
When doing my homework,________.| A．I heard the doorbell ring | B．the doorbell rang | | C．my mother came in | D．my mother was cooking |
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答案
| A |
解析
试题分析：考查状语从句的省略和宾语补足语：句意：当做作业的时候，我听见门铃响了。“while”后接的是现在分词短语，在句中作状语，它逻辑上的主语应该是我，不是the door，也不是my mother，又因为hear后接复合宾语时，这个复合宾语应包含一个省略to的动词不定式或现在分词短语。所以本题选A项。 |
举一反三
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