阿摩線上測驗
46. 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 type and number of gap year activities.
(D) The advantages and disadvantages of a gap year.
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統計： A(1), B(5), C(9), D(17), E(0) #1886665
統計： A(1), B(5), C(9), D(17), E(0) #1886665
