阿摩線上測驗
40. It is often prudent to come up with a _______ plan in anticipation of possible setbacks and failures.
(A) debilitating
(B) formidable
(C) diachronic
(D) obstinate
(E) contingency
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統計： A(1), B(0), C(0), D(0), E(2) #3341265
統計： A(1), B(0), C(0), D(0), E(2) #3341265
