問題詳情

20.The twin-engined DC-3ruled the skies for over 20 years but by the 1950s aviation experts deemed its days __________ , no morecontinuing to _________ freight and passengers between countries.
(A) countable…heave
(B) numbered…haul
(C) decaying…hoist
(D)thriving…dragII. Grammar

參考答案

答案:B
難度:適中0.409836
統計:A(5),B(25),C(11),D(13),E(0)

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