問題詳情

【題組】19. More and more people have voiced concerns over the new nuclear plant; they wonder how _____.
(A) it works　
(B) to work　
(C) does it work　
(D) working

參考答案

答案：A
難度：適中0.545455
統計：A(6),B(0),C(4),D(1),E(0)