HewasdoinghishomeworkwhenMomcameintohisroom.HewasdoinghishomeworkwhenMom______hisroom.
2022-05-11 18次 反馈错误 加入收藏 正确率 : 100%
题目内容：
He was doing his homework when Mom came into his room.
He was doing his homework when Mom ______ his room.
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