4．Great changes ______ in this city over the past five years．Look at these high buildings!（　�。�
A．took placeB．were taken place
C．have taken placeD．have been taken place

分析 在過(guò)去的五年中這座城市發(fā)生了巨大的變化．看這些高樓！

解答 答案是C．本題考查現(xiàn)在完成時(shí)；題干中over the past five years表示"在過(guò)去的五年中"，是與現(xiàn)在相聯(lián)系的段時(shí)間，往往與現(xiàn)在完成時(shí)連用，排除A和B；take place表示"發(fā)生"，不用被動(dòng)語(yǔ)態(tài)，排除D；故答案選C．

點(diǎn)評(píng) 對(duì)時(shí)態(tài)的選擇，要在把握時(shí)態(tài)的基本用法的基礎(chǔ)上，根據(jù)具體語(yǔ)境和題干中的時(shí)間推斷時(shí)態(tài)，同時(shí)關(guān)注特殊的結(jié)構(gòu)．

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