阿摩線上測驗
20. ___________ more time, I would have done a much better job.
(A) Had I had
(B) If I have
(C) If I have had
(D) If I would have
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統計： A(40), B(3), C(15), D(4), E(0) #1719889
統計： A(40), B(3), C(15), D(4), E(0) #1719889
