来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/10/06 12:13:12
关于mood和非谓语动词的问题
why are you in low _____?my pet dog is lost,never ______.
A.mood; to find B.moods; found C.spirit; to be found D.spirits; to be found
答案是 B,in low moods 是情绪低落.never found 过去分词短语作定语,被动语态式；相当于 My pet dog is lost which is never found.
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