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学得一塌糊涂的虚拟语气

来源:学生作业帮 编辑:搜搜考试网作业帮 分类:英语作业 时间:2024/08/05 20:05:36
学得一塌糊涂的虚拟语气
When for the first time the United States imported more oil than it exported,Americans should have realized that an energy crisis( was imminent and could happen in the future )
正确选项:might be imminent
原句错误的原因我想是同义重复吧,
还有,这里是对什么时间的虚拟?
学得一塌糊涂的虚拟语气
imminent是adj.表示是即将发生的,这是一个对将来的时间虚拟.
这里的条件从句是"When for the first time the United States imported more oil than it exported",主句是" Americans should have realized……" 而对将来时间的虚拟主句谓语用should+动词原形/did/were to do.