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1.New technology is being used to make sure that the cars,...【考点】现在进行时被动语态由be be-ing+V-ed构成,表示此刻或现阶段正在进行的动作。【考例】
1.New technology is being used to make sure that the cars,...[Test sites] Now when the passive voice is constituted by be be-ing+V-ed, it indicates the current or current stage of the action. 【Case】