【題目】The life we were used to_________ greatly since the computer was invented.

A.has changedB.changedC.changingD.change

【答案】A

【解析】

句意:自從電腦發(fā)明以來(lái),我們習(xí)慣的生活發(fā)生了很大的變化。

考查動(dòng)詞時(shí)態(tài)辨析。since the computer was invented(自從電腦發(fā)明以來(lái))是一段持續(xù)到現(xiàn)在的時(shí)間,用于現(xiàn)在完成時(shí);The life是單數(shù)第三人稱,需用“has done”結(jié)構(gòu);根據(jù)句意語(yǔ)境,可知選A

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