题文
_________ she would have avoided the accident.
| A．She was more careful | B．If she was more careful |
| C．Had she been more careful | D．She had been more careful |
推荐试卷
_________ she would have avoided the accident.
| A．She was more careful | B．If she was more careful |
| C．Had she been more careful | D．She had been more careful |
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