問題詳情

56. President Obama ordered American flags ________ to half-staff at all government buildings to honor the Orlandoshooting victims.
(A) lowered
(B) be lowered
(C) being lowered
(D) had been lowered

參考答案

答案:B
難度:適中0.521705
統計:A(221),B(661),C(239),D(146),E(0)

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