[题目]If we adequate preparations, the conference wouldn't have been so successful.A.haven't madeB.wouldn't makeC.didn't makeD.hadn't made 题目和参考答案——青夏教育精英家教网—

【题目】If we _______ adequate preparations, the conference wouldn't have been so successful.
A.haven't made
B.wouldn't make
C.didn't make
D.hadn't made

【答案】D
【解析】句意：如果我们没有做好充分的准备，会议就不会这样成功。在虚拟条件句中，表示与过去事实相反的情况，从句用过去完成时，主句用would have done的形式。故选D。

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