答案:A
1、A 答案用的是過(guò)去完成時(shí),即:had + 過(guò)去分詞.過(guò)去完成時(shí)指“一個(gè)動(dòng)作或狀態(tài)在過(guò)去某一時(shí)間或動(dòng)作之前已經(jīng)發(fā)生或完成”,即動(dòng)作發(fā)生的時(shí)間是“過(guò)去的過(guò)去”.后面用的是turned on,決定了答案選A.
2、答案B 用的是現(xiàn)在完成時(shí),其結(jié)構(gòu)是:have/has + 過(guò)去分詞,現(xiàn)在完成時(shí)表示“過(guò)去發(fā)生并且已經(jīng)完成的動(dòng)作對(duì)現(xiàn)在造成影響或后果,過(guò)去某一時(shí)間開(kāi)始并一直持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)”.
翻譯:當(dāng)我打開(kāi)電視的時(shí)候,電視節(jié)目已經(jīng)開(kāi)始了10分鐘.
the tv show__for ten minutes when i turnded on tv A had been on B has been on
the tv show__for ten minutes when i turnded on tv A had been on B has been on
英語(yǔ)人氣:266 ℃時(shí)間:2020-04-17 18:07:16
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