問題詳情

42. How many of the smartphones can be used not only to listen to music but also to watch videos? 
(A) One.
(B) Two.  
(C) Three.  
(D) Four.

參考答案

答案:B
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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