問題詳情

4. Mariners are to ensure that charts and publications are __________up to date .
(A) kept correctedly
(B) kept corrected
(C) keeping corrected
(D) keeping correctedly

參考答案

答案:B
難度:困難0.222222
統計:A(1),B(2),C(2),D(3),E(0)

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