英语书上一个句子People over 18 can group themselves into a team of four and join this charity walk我觉得group与themselves之间加一个by,到底可不可以,理由?

英语书上一个句子People over 18 can group themselves into a team of four and join this charity walk我觉得group与themselves之间加一个by,到底可不可以,理由? 新标准初一下册英语书的总结MODULE1 是People and places总结短语和句子 用the,over,then,of,made,wall,and,the,boats,water,people,fall连成一个句子 People all over the world need___.(和平） 顺便翻一下句子~, sports provides entertainment for people all over the world 句子的成分 根据中文意思和英文提示句,写语法正确,英文句子 他们的英语书在那边.over there 用英语怎么说?初中英语的根据中文意思和英文提示句,写出语法正确,英文句子、他们的英语书在那边.over there people all over the world enjoy playing soccer 在这个句子中all over the world 是什么词性?all over the world 和from all over the world 有什么差别?能给出具体的例子吗? English is used by travelers and business people all over the world.请问这句子中的by是什么意思? 英语书! 请翻译下面句子According to a survey, people over 60 who volunteered two toAccording to a survey, people over 60 who volunteered two to three hours a week had better health than non-volunteers. Four billion people all over the world watch the 2004 Olypic Games.(改为被动句）Four billion people all over the world watch the 2004 Olypic Games.请把这个句子改成被动句 _____of people were affected.英语书14册P87 weigh与weight 请大家看几个句子：1.It is 79 meters high and weighs 13.5 tons.(英语书）2.It is 46 meters high and weighs 229 tons.(英语书）3.The car weights about two tons.(英语练习册）4.The fish weights over 5 kilos.（英语 People all over the w( ) drink tea. many people learn English over the r___ People all over the world celebrate it. many people learn english over r______ people from all over world live in