問題詳情

35.As more and more homeless people beg on the street or in the subway, I can’t help but ____ what the social welfare can do for them.
(A) wonder
(B) wondering
(C) to wonder
(D) be wondering

參考答案

答案:A
難度:適中0.433544
統計:A(274),B(221),C(65),D(25),E(0)

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