The Taj Mahal which was begun in 1632 and(was)completed in 1654 cost a fortune. 请问这里为什么用begun?整句话的意思是什么?要表达这样的意思,还

Summer vacation has begun 暑假已经开始了 ; 暑假Summer vacation has already begun 暑假已经开始了 双语例句权威例句In the Southern hemisphere winter has

begun的意思、解释及翻译:1. past participle of begin 2. past participle of begin。了解更多。