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—Tom, have you finished your homework?
—Yes, I ________ before you came back, mom.
A.finishedB.have finishedC.had finishedD.finish
C

試題分析:考查時(shí)態(tài):句意:--湯姆,你完成作業(yè)了嗎?--是,你回來(lái)前我就完成了,媽媽。說(shuō)明完成作業(yè)是在媽媽回來(lái)前,是過(guò)去的過(guò)去,用過(guò)去完成時(shí),選C。
點(diǎn)評(píng):時(shí)態(tài)題的考查關(guān)鍵是抓住句子的上下文含義和句中的時(shí)間狀語(yǔ)。要根據(jù)時(shí)間狀語(yǔ)來(lái)選擇合適的時(shí)態(tài),在平時(shí)的學(xué)習(xí)中要注意積累有關(guān)時(shí)態(tài)的用法和各種時(shí)態(tài)的特殊之處。過(guò)去完成時(shí)是相對(duì)的時(shí)態(tài),是過(guò)去的動(dòng)作之前發(fā)生的。
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