Because his experience in the naval medical corps had been rewrding,Bob applied to medical school after he was discharged from the navy.过去完成时不是过去的过去吗?为什么 was discharged 不改成 had been discharged?

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/10 20:22:38
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