The mobile phone has influenced people’s life a lot since it ______.
A．inventsB．invented
C．is inventedD．was invented
D

試題分析：句意：手機自從被發(fā)明起就很大程度地影響著人們。Invent與the mobile phone是動賓關(guān)系，因此要用被動語態(tài)。發(fā)明手機發(fā)生在過去，故選D。
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