短文改错（满分10分）
下面短文中共有十处语言错误，每句中最多有两处。每处错误只涉及到一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号（∧），并在其下面写出该增加的词。删除：把多余的词用斜线(\)划掉。修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：1. 每处错误及其修改词均限一词。
2. 只许修改10处，多者（从11处起）不记分。
Once a year, a race is held. A lot of cars took part in this race in last year and there had a lot of experiments just before it began. One of the most beautiful car was a Rolls-Royce Silver Ghost. The most usual car was a Benz which had only three wheels. Building in 1885, it was an oldest car in the world. After a great many loud noises, the race began. Many of the cars broke down on the way, but some drivers spent much time under their cars than in it. The winner car reach a speed of forty miles an hour．