問題詳情

2. Patenting an idea may _______ a lot of time and may _______ a lot of money.
(A) spend, spend
(B) take, take
(C) take, cost
(D) cost, cost

參考答案

答案:[無官方正解]
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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