英语中a set of keys前面能不能加the

英语中a set of keys前面能不能加the A set of keys a set of keys please. 求解(a set of keys) 超简单:A set of keys _____ on the desk. There___（be）a set of keys on the table. a set of keys 后面be动词用啥 A set of keys ( )(be) on the floor 英语短语开头要不要大写,要不要标点 如 是 a set of keys 还是 A set of keys. A set of keys ---(be) on the table.There ---(be) a set of ke 英语 上海前面能不能加the或a? 是a set of keys还是a set of key? a set of keys英汉互译