摘要： the problem, he wouldn't have committed those mistakes. A. If he understood B. Had he understood C. When he had understood D. If he would understood
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________the problem, he wouldn't have committed those mistakes.
A. If he understood B. Had he understood C. When he had understood D. If he would understood
查看习题详情和答案>>________the problem, he wouldn't have committed those mistakes.
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A．If he understood |
B．Had he understood |
C．When he had understood |
D．If he would understood |
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