問題詳情

36. A beam of light will not bend round corners unless __________ to do so with the help of a reflectingdevice.
(A)made
(B)being made
(C)having made
(D)to be made

參考答案

答案：A
難度：困難0.228346
統計：A(29),B(59),C(16),D(23),E(0)

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