新概念英语第一册72课后的练习题就是147,148页的练习题

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新概念英语第一册72课后的练习题就是147,148页的练习题
新概念英语第一册72课后的长达4页的练习题,最后一大道题,模仿例句提问的那道题,总共10道题,

1.What did they do yesterday?They cleaned their shoes yesterday.2.What did he do last night?He opened the box last night.3.What did they do this morning?They sharpened their pencils this morning.4.W...