阿摩線上測驗
41. What is the main idea of the passage?
(A) The cost and time of gap-year activities
(B) The purposes and programs of a gap year
(C) The types and contents of gap-year activities
(D) The advantages and disadvantages of a gap year
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統計： A(40), B(116), C(100), D(207), E(0) #2924763
統計： A(40), B(116), C(100), D(207), E(0) #2924763
