【題目】The paper ________ by Chinese centuries ago.

A.is inventedB.inventedC.was inventedD.invents

【答案】C

【解析】

句意：紙是幾個世紀之前由中國人發(fā)明的。

考查一般過去時的被動語態(tài)。is invented一般現(xiàn)在時的被動語態(tài)；invent一般現(xiàn)在時；was invented一般過去時的被動語態(tài)；invents一般現(xiàn)在時動詞三單。invent發(fā)明；主語the paper 和動詞invent是被動關(guān)系，所以應(yīng)該用被動語態(tài)；被動語態(tài)的結(jié)構(gòu)be +動詞的過去分詞，從時間狀語centuries ago 判斷該句時態(tài)為一般過去時，所以用was invented,故選C。

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