（ ）,he would have passed the exam.A.If he studied hard B.Had

（ ）,he would have passed the exam.A.If he studied hard B.Had —,he would have passed the exam. 改错1.He studied very hard .and at the end he passed the exam. Fortunately,he passed the English exam a---------- he had be he studied hard,the college entrance exam. father made a promise that if I passed the exam he would buy he worked hard,___he passed the exam. I don't know___ A that I have passed the exam B if I had pas he studied very hard( )he could pass the exam he worked______hard_______he passed the exam.A.such;that B.s He bragged about that he had passed the exam easily. he studied hard ONLY to fail in the exam 意思?