While she _____ TV, someone _______ at the door.A.watch, knockedB.was watching,
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While she _____ TV, someone _______ at the door.A.watch, knocked | B.was watching, knocked | C.watching, knocking | D.was watching, is knocking |
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答案
B |
解析
试题分析: 句意:当她在看电视时,有人敲门。knock at 敲门;while当……的时候,引导的时间状语从句动词为延续性动词,进行时态,与主句同时发生,故选B |
举一反三
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