阿摩線上測驗
41 When did the triathlon start to become a popular sport?
(A)In the early 1970s.
(B) In 1978.
(C)In 1982.
(D)In 1985.
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統計： A(108), B(96), C(914), D(26), E(0) #1571204
統計： A(108), B(96), C(914), D(26), E(0) #1571204
