12. _________ for his expertise, he would have struggled to complete the project.
(A)If it wasn’t
(B) If it weren’t
(C) If it hadn’t been
(D) If it isn’t

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統計: A(12), B(13), C(48), D(2), E(0) #3113036

詳解 (共 1 筆)

#5899040
答案為:(C) 如果不是因為他的專業知識...
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