摘要：28．-The accident might not have happened had we been more careful. -But we at that time. A．don’t B．didn’t C．hadn’t D．weren’t
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－The accident might not have happened had we been more careful.
－But we ____________ at that time.
A．don’t B．didn’t C．hadn’t D．weren’t
查看习题详情和答案>>－The accident might not have happened had we been more careful．
－But we _____ at that time．
A．don’t B．didn’t C．hadn’t D．weren’t
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－The accident might not have happened had we been more careful．
－But we _____ at that time．
A．don’t B．didn’t C．hadn’t D．weren’t
查看习题详情和答案>>