阿摩線上測驗
23. A peninsula surrounded by more than 200 islands, Hong Kong is one of the world's most densely _____ urban regions.
(A) popularity
(B) popular
(C) population
(D) populated
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統計： A(1), B(2), C(0), D(1), E(0) #3860295
統計： A(1), B(2), C(0), D(1), E(0) #3860295