I don't know___ A that I have passed the exam B if I had pas

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I don't know___ A that I have passed the exam B if I had passed the exam
C how well I did in the exam

A 我不知道我已经通过了考试应该是对的
B的话是我不知道我是否通过了考试但是时态貌似没用对
再问：答案上说A中的that要改成if
再答：这次我明白了因为A中如果用that的话，是想表达我不知道我已经通过了考试但是在他说这句话的时候，他已经知道了，那么前面应该用 I did not kown that 因为是之前不知道所以A错误 B 的话不需要用到had 这里不是虚拟 if是是否的意思 had应该为have 所以C应该是正确答案我不知道我在考试中做的怎么样当然如果按照答案里修改的话那么 A,B如果都修正过来那么就是表达的同一个意思 “我不知道是否我已经通过了考试”

I don't know___ A that I have passed the exam B if I had pas I don't know ____ they have passed the exam.A.what B.if C.wh I don’t know _______ they have passed the exam. ? I have passed the exam I wish I _____ that English exam A pass B had passed C will I don't know _____ they have passed the exam or not father made a promise that if I passed the exam he would buy 1.I've heard _B_ you passed the exam.Congratulations!A.if B. （）,he would have passed the exam.A.If he studied hard B.Had I don't know___.A.what to do it B.what do C.have to do it D. I don't know___they have passed I have passed the exam,and i am p___of myself.