問題詳情

So far, there have been many studies on ____ .
(A)how does somking affect health
(B)what may cause to cancer
(C)how music helps insane people
(D)what is it like to live on the moon

參考答案

答案:C
難度:適中0.516447
統計:A(43),B(52),C(157),D(25),E(0)

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