阿摩線上測驗
32. It is impossible for you to finish a half marathon on your own _______ you follow the schedule of training and
workout regularly.
(A) because
(B) supposing
(C) unless
(D) whenever
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統計： A(17), B(3), C(165), D(5), E(0) #1781930
統計： A(17), B(3), C(165), D(5), E(0) #1781930
