英语短文改错，急急急！！！～

Mark Twain was born in the small town of Florida. When he is（改为was） only twelve years old , his father died . Late（改为Later） he became a river boat pilot .,Mark Twain was her（改为his） pen name . During the American Civil War he worked as a reporter and wrote a lot of story（改为stories） . Gradual （改为Gradually）he made his mark and his works was（改为were） popular . He became one of the best-known writers of the 19th century in the USA . In his life Mark Twain wrote a number of stories and novels , of that （改为which）“Adventure of Tom Sawyer” is the most famous one . His writings have been translated to（改为into） many other language（改为languages） , and they are deeply love（改为loved） by the readers all over the world .

the smal改为a small ， lis改为was， late改为later，her改为his，story改为stories， Gradual改为 Gradually ，mark改为marks。。。去掉was（works后面的），that改为those，language改为languages， 。。。这是我自己做的不知道对不对。。。

更正楼上答案如下：
总共十一处错误，有一次肯定是楼主自己打错字了。

Mark Twain was born in (the改成a) small town of Florida. When he (is改成was) only twelve years old, his father died. (Late改成Later) he became a river boat pilot. Mark Twain was (her改成his) pen name. During the American Civil War he worked as a reporter and wrote a lot of (story改成stories). (Gradual改成Gradually) he made his mark and his works (was改成were) popular. He became one of the best-known writers of the 19th century in the USA. In his life Mark Twain wrote a number of stories and novels, of (that改成which) “Adventure of Tom Sawyer” is the most famous one. His writings have been translated (to改成into) many other (language改成languages), and they are deeply (love改成loved) by the readers all over the world.

Mark Twain was born in the（a） small town of Florida. When he is(was) only twelve years old , his father died . Late(Later) he became a river boat pilot .,Mark Twain was her (his)pen name . During the American Civil War he worked as a reporter and wrote a lot of story(stories) . Gradual (Gradually)he made his mark and his works was(was去掉) popular . He became one of the best-known writers of the 19th century in the USA . In his life Mark Twain wrote a number of stories and novels , of that(which) “Adventure of Tom Sawyer” is the most famous one . His writings have been translated to(into) many other language(languages) , and they are deeply love (loved)by the readers all over the world.改了11处，哈哈，仅供参考……

Mark Twain was born in the small town inFlorida. When he was only twelve years old , his father died . Later he became a river boat pilot .,Mark Twain was her pen name . During the American Civil War he worked as a reporter and wrote a lot of story . Gradual he made his mark and his work was popular . He became one of the best-known writers in the 19th century in the USA . In his life Mark Twain wrote a number of stories and novels , of that “Adventure of Tom Sawyer” is the most famous one . His writings have been translated to many other language , and they are deeply love by the readers all over the world .可以了~！改过了。