阿摩線上測驗
46 According to the passage, what’s the biggest difference between American families today and 100 years ago?
(A) The average age of family members
(B) The number of family members
(C) The size of their houses
(D) The style of their houses
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統計： A(157), B(2674), C(214), D(122), E(0) #1026510
統計： A(157), B(2674), C(214), D(122), E(0) #1026510
