阿摩線上測驗
29. Tall buildings were a new________ on the skyline when this city just expanded in size in the 60s.
(A) contest
(B) height
(C) feature
(D) delivery
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統計： A(5), B(5), C(15), D(2), E(0) #3988856
統計： A(5), B(5), C(15), D(2), E(0) #3988856
