21. The fairway has been ________ due to the temporary malfunction of the navigational
marks.
(A) removed
(B) discontinued
(C) terminated
(D) suspended
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統計: A(133), B(132), C(129), D(379), E(0) #3033221
統計: A(133), B(132), C(129), D(379), E(0) #3033221