"生成3分钟动画视频:用虚拟语气表达音乐幻想 - 场景:中学生谈论偶像演唱会 - 目标句型: • I wish I could attend the concert. • If I were the singer, I would... - 语言等级:B1 - 重点标注:wish+过去时/if+were"

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