While watching television, __________.A．the doorbell rangB．the doorbell ringsC．t
题型：不详难度：来源：
While watching television, __________.| A．the doorbell rang | B．the doorbell rings | | C．they heard the doorbell rings | D．they heard the doorbell ring |
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答案
| D |
解析
试题分析：考查句子结构。“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人，所以可以先排除A、B两项；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。句意：当看电视的时候，他们听到门铃响了。故D正确。 |
举一反三
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