問題詳情

49 Chances of road accidents can be reduced by_________ the mirrors properly and checking them at least every 15seconds.
(A) adjusting
(B) transferring
(C) upgrading
(D) decorating

參考答案

答案:A
難度:適中0.638889
統計:A(23),B(9),C(1),D(3),E(0)

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