相关oldchildrenareyoungs的文学知识

问题详情：Sevenoreight-year-oldchildrenareyoungschoolstudents.Theythinkofthemselvesmorethanothers.Theyplaywellingroupsbuttheymayneedsometimetoplayalone.Manychildrenhaveabestfriendandanenemy.Theyliketopl...