22. The dark clouds were an ______ sign of the coming storm.
(A)ominous
(B)captive
(C)distended
(D) ceaseless
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統計: A(11), B(1), C(1), D(0), E(0) #3384731
統計: A(11), B(1), C(1), D(0), E(0) #3384731