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【題目】 The mobile phone has influenced people’s life a lot since it ____.

A.invents B.invented

C. has been invented D. was invented

【答案】D

【解析】

試題分析:句意:自從發(fā)明移動電話以來,它已經影響了人們的生活。結合本題語境以及主句的時態(tài)可知,從句要用一般過去時的被動語態(tài)。所以答案為D。

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