阿摩線上測驗
53 The plane is now______ at 30,000 feet and the “fasten seat belts” sign has just been turned off.
(A) landing
(B) switching
(C) cruising
(D) translating
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統計： A(30), B(14), C(142), D(6), E(0) #2294701
統計： A(30), B(14), C(142), D(6), E(0) #2294701
