— Did you see Dr Ma yesterday afternoon?
— No. When I got to his office, he ______ already.
A.left B.has left
C.was leavingD.had left
D

試題分析:句意:昨天下午你看見(jiàn)馬博士了嗎?——沒(méi)有,當(dāng)我到達(dá)他的辦公室時(shí),他已經(jīng)離開了。結(jié)合語(yǔ)境可知下文描述的是過(guò)去某時(shí)前已經(jīng)完成的動(dòng)作,故用過(guò)去完成時(shí)態(tài)。選D。
點(diǎn)評(píng):英語(yǔ)中的時(shí)態(tài)主要是借助于時(shí)間狀語(yǔ)與上下文語(yǔ)境來(lái)進(jìn)行判斷。解答此類題型,首先要注意句子中的時(shí)間狀語(yǔ),如果沒(méi)有則要通過(guò)分析上下文,結(jié)合語(yǔ)境來(lái)判斷句子的時(shí)態(tài)。
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