問題詳情

( )It will be a waste of money _______ the notebook and seldom use it.
(A)if you buy
(B)if you bought
(C)if you have bought
(D)if you had bought

參考答案

答案:A[無官方正解]
難度:簡單0.76
統計:A(19),B(2),C(0),D(2),E(0)

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