When doing my homework,________.

A.I heard the doorbell ring    B.the doorbell rang

C.my mother came in            D.my mother was cooking

 

【答案】

A

【解析】

試題分析：考查狀語從句的省略和賓語補(bǔ)足語：句意：當(dāng)做作業(yè)的時(shí)候，我聽見門鈴響了�！皐hile”后接的是現(xiàn)在分詞短語，在句中作狀語，它邏輯上的主語應(yīng)該是我，不是the door，也不是my mother，又因?yàn)閔ear后接復(fù)合賓語時(shí)，這個(gè)復(fù)合賓語應(yīng)包含一個(gè)省略to的動(dòng)詞不定式或現(xiàn)在分詞短語。所以本題選A項(xiàng)。

考點(diǎn)：考查狀語從句的省略和賓語補(bǔ)足語

 

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