阿摩線上測驗
29. How many immigrants arrived in North America between 1760 and 1775?
(A) About 16,000
(B) About 25,000
(C) About 30,000
(D) More than 200,000
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統計： A(9), B(8), C(11), D(67), E(0) #803773
統計： A(9), B(8), C(11), D(67), E(0) #803773
