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题目内容
（长安大学大学英语4）
_____ the advice of his friends, he would not have suffered such a heavy loss in his business.
（2分）
AIf he took
BIf he should take
CWere he to take
DHad he taken
（2分）
AIf he took
BIf he should take
CWere he to take
DHad he taken
参考答案