来源：学生作业帮 编辑：百度作业网作业帮 分类：英语作业 时间：2024/07/05 07:48:25
解题思路： 理解句子含义；分析句子结构；熟悉英语语法；了解词汇短语辨析；熟悉英汉翻译。
解题过程：
答疑如下
1.is concerned about 2.Add up 3.calm down 4.gone through 5. get along well with
6. In order to 7，joined in 8. on purpose
9. have got to 10. at dusk
11.no longer
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