問題詳情
3. ______ to one of these conferences before, I would have been aware of the fact that everybody inattendance is expected to bring a laptop for note taking.
(A) When I went
(B) because I went
(C)If I went
(D) Had I been
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增