問題詳情

12. The benevolent doctor has been dedicated _______ medical aid to people in impoverished circumstances fordecades.
(A) to provide
(B) to providing
(C) herself to provide
(D) herself to providing

參考答案

答案:B
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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