問題詳情

13. It is amusing to see how much penguins resemble humans in dress suits _____ in a comical fashion.
(A) walk
(B) to walk
(C) have walked
(D) walking

參考答案

答案:D
難度:適中0.641667
統計:A(14),B(33),C(11),D(154),E(0)

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