阿摩線上測驗
1 If you plan your trip carefully and learn to take____ , you can relax and enjoy yourself.
(A) precipitation
(B) precautions
(C) presentations
(D) precedence
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統計： A(21), B(114), C(15), D(13), E(0) #1743385
統計： A(21), B(114), C(15), D(13), E(0) #1743385
