問題詳情

20. The world must find a solution ______ its oil shortage.
(A) for
(B) of
(C) to
(D) at

參考答案

答案:C
難度:困難0.321503
統計:A(209),B(58),C(154),D(6),E(0) #
個人:尚未作答書單:need to/ought to/should/must

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