The lunch at Dynasty restaurant on Aug21 is for staff welfare.这句话语法正确么

The lunch at Dynasty restaurant on Aug21 is for staff welfare.这句话语法正确么 是at the Qing dynasty,还是in the Qing dynasty? at the beginning of the han dynasty怎么翻译 The students have lunch at the tang dynasty THE DYNASTY RESTAURANT怎么样 The Smiths usually () lunch at home.否定 does the writer have lunch at they have the lunch at 12:00 Most workers have lunch at the factory 同义句转换 （.have lunch at the factory the teacher has lunch at school 对at school提问 over lunch 和 at lunch time 区别We'll discuss the problem ___ lunch time.正解为over 不是 at The Smiths usually have lunch at home at__? She has lunch at the school canteen.改为否定句 She has the lunch at school改错句 At 11:30 in the morning.She---------(have)lunch. The children have lunch at home.（改否定句） where are the students at lunch hour是什么意思