2020《导与练》高考英语人教版一轮复习课件：选修8 Unit 5　Meeting your ancestors 单元知识检测-302edu教育资源网

4.There were 　　　　　　　 (至多) twenty people in the classroom. 5.He went to the rescue of a drowning child 　　　　　　　　(不管)his personal safety.

答案:4.at most　5.regardless of

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