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(10), B(14), C(2), D(3), E(10) #3081460
統計： A(10), B(14), C(2), D(3), E(10) #3081460
