In his work,he tried to show all aspects of culture changed in the evolution of societies.这里的culture 和changed之间可以加which 谁帮我详细分析下 是定语从句吗？谁给我讲下关系代词可以省略和不能省略的情况，

He tried his best in the race.翻译 He tried his key in some of the cars中文? He tried and tried his very best not to join in. he takes no please in his work alesander tried to get his work r＿ in the medical circle中间填什么 His father tried to find a tool in the room ____ he could repair the desk. Although John tried hard in the exam, he did _______ than his brother from then on & ever since then的区别Clinton was born in a poor family in 1946.Three months before he was born,his father,William Blats,died in a traffic accident._______ he tried to work hard at his courses at school and made up his mind to be a u He tried his best to work out the problem and ________he finish it with the teather's help.A.at the end B.in the end C.by the end He tried to cope with the ever-increasing burden his work,but finally he_ and had to take a complete rest.A.broke down B.broke in C.broke out D.broke up选什么?broke down 他坏了- He tried his best-[not show]it. 连词组句 work in often his he people help(.) he work in his office every morning.改错 does,work,he,well,in,very,his.连词组句 He is famous for his_____(成就）in his work. He began to work in his thirties是什么意思? He was efficient in his work谢啦! Alexander tried to get his work ______ in the medical circles.A to recognize B recognizingC recognizeD recognized