关于定冠词和不定冠词Once a year,a race is held for old cars.这里为什么不是the

冠词的选用Once a year,a race is held for old cars.这里为什么不是the race Once a year,a race is held for old cars.这里为什么不是By 而是for? 英语翻译Once a year,a race is held for old cars.A lot of cars en Once a year,a race is held for old cars.是个什么结构? 新概念英语2册56课once a year,a race is held for old cars. old car r 关于动词使用请问 The race is held once a year.这样的比赛一年举办一次. A Festival for the Dead is held once a year in Japan.中的is he 英语翻译A festival for the Dead is held once a year in Japan.Thi A festival for the Deal is held once a year in Japan.这 关于英语的定冠词和不定冠词(a an the) 不定冠词a和定冠词the怎么用? 不定冠词a和定冠词the怎样区分