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Cell phones by more and more teens and many new functions to them nowadays. A.ar

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Cell phones by more and more teens and many new functions to them nowadays. A.ar

Cell phones _______ by more and more teens and many new functions _______ to them nowadays.

A.are using, have addedB.is used, are adding
C.are being used, have been addedD.being used, were added

试题答案

C

解析