Unit 1 Topic 1的单词
问题描述：
Unit 1 Topic 1的单词
急用!
答
proper training bell social volunteer disabled teenager granny describe in detail education childhood laborer child laborer support nowadays develop rapidly search grandson abroad yet chairwoman leisure development narrow communication quick keeo in touch with telegram sort fax repid progress make progress already prepration make preparations for mascot friendliness slogan billion peaceful note composition consider draw up outline tool transportation conclusion thanks to