Eight years (has|have) pass since he left

关于倒装句的助动词
1.under the tree (sat a little girl) of eight years old.为什么不是did a little girl sit?
2.on the top of the hill(stands a temple)where i once visited the monk.为什么不是does a temple stand
3.only then did i realize what"***"meant.不是说副词放在句首不能用助动词的吗?
4.he has to do it again,so do i.这里的has不是做be动词吗,为什么后面的不用so have i

Eight years _______(go) by before I was on the way back to my hometown,用所给词的适当形式填空

英语翻译
For the next eight years,we continued taking short bicycle trips,a few weeks each year.Yet our dream of a worldwide bike tour persisted.We knew that riding around the world at a pace that would allow us to explore would take many years.Could we gather the money to allow us this amount of time?How much would it take?While bicycling can be cheap—basic food and camping is about all that's required—it does take some capital.So we started saving.

一个八岁的男孩用英语怎么说
an eight-year-old boy这种说法我知道对,那么an eight years old boy这种说法对吗?

that was eight years ago .为什么开头要写that,可以写it was eight years
亲.

the war(last)___eight years,and millions of the chinese people(kill)____

这道题好绕口,难解,头晕!
Jack is twice as old as Bill,who is eight years younger than Ben,who is four years younger than Ted,who is half as old again as Jack.How old is Bill?

英语翻译
George Dawson spent the first ninety-eight years of his life doing many different things.Yet he could not read or write.His life changed five years ago,when he decided to go back to school and learn to read and write.Since then,his story has been changing other lives,too
George Dawson was born in the state of Texas.He was the grandson of slaves.He began working on the family farm when he was four.When he was twelve,he worked on a nearby farm to help feed his parents and four younger brothers and sisters.For the next eighty-five years,he held a number of different jobs,most of them involving hard labor.
As a young man,George Dawson traveled often,usually by stealing rides on trains.He visited Mexico.He went to Canada to see snow.George Dawson lived a happy life even though conditions were difficult.When he was ten years old,he saw a young African-American man murdered.He said his two biggest problems were racial unfairness in America and his inability to read and write.George Dawson kept it a secret that he could not read.But he said he always dreamed that he would learn.Although he had no education,he taught his children to work hard in school.
George Dawson's life changed in Nineteen-Ninety-Six.A man came to his house in Dallas,Texas,and told him that adult education classes were being taught at a nearby school.So the man who had signed his name with an X for almost one-hundred years went to school
People wondered why Mister Dawson did not go to school earlier.He said he never had the time because of his farm work.And he never knew about adult education programs.George Dawson's efforts to learn to read influenced students of all ages.He spoke to young people about the importance of learning to read and write.Mister Dawson received many honors for his efforts.He appeared on television shows and received honorary awards from universities.Last year,a schoolteacher from Washington state helped him write a book about his life.The book is called Life Is So Good.
George Dawson died last month at the age of one-hundred-three.He attended school every day until his death.