阿摩線上測驗
74. When did the passenger pigeon disappear completely?
(A) In the early twentieth century
(B) In the late nineteenth century
(C) In the middle of 1900’s
(D) In the middle or late 1800’s
答案：登入後查看
統計： A(164), B(71), C(65), D(23), E(0) #2085053
統計： A(164), B(71), C(65), D(23), E(0) #2085053
