There is nothing . A. for us to worry B. of us to worry C. for us to worry about D. worry about
2022-10-14 19:24:46 49次 牛津译林九年级（上）第一单元综合测试英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
There is nothing .
A. for us to worry B. of us to worry
C. for us to worry about D. worry about
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