Tom,playing in the field.这是什么结构,从未见过

we are playing games in the field.（划线playing games) on the field 和 in the field的区别是什么? what table is in the field这是什么迷语 关于助动词be的问题The children are playing in the field.这句里面的be动词are 这是什么SQL语法啊,从未见过, 英语翻译It creats an unlevel playing field in the hospitality in in the field on the field in the field 是什么意思 i'm playing football (in the playground) tom is Tom does well( )soccor A at playing B in playing the C in pl 这句话分析句子结构I often heard her playing the piano in the room las Tom was seen playing on the playground是什么?