He _____China since he _____ to China.
A learned , came                       B has learned , comes
C have learned , came                  D has learned ,came
D

試題分析:句意:自從他來(lái)到中國(guó)以后,他就了解了中國(guó)。結(jié)合語(yǔ)境可知本句主句描述的是現(xiàn)在已經(jīng)完成的動(dòng)作,故用現(xiàn)在完成時(shí)態(tài)。從句中描述的是過(guò)去某時(shí)發(fā)生的動(dòng)作,故用一般過(guò)去時(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(lèi)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)。英語(yǔ)疑問(wèn)句中一般具有時(shí)態(tài)上的對(duì)應(yīng)關(guān)系,注意結(jié)合這一特點(diǎn)進(jìn)行區(qū)分。
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