you -----have passed the exam if you had worked harder横线中应该填

答案;You【would】have passed the exam if you had worked harder.
翻译：如果你努力学习,你将会通过考试.
解析；这是由if引导的条件状语从句.passed,had worked 等词都用到了
过去时态,所以would也要用过去时态.
不懂再问,在线为你解答
你的10分满意,我们团队的无限动力】