be on holiday与go for a holiday为什么有冠词的区别

be on holiday与go for a holiday为什么有冠词的区别 为什么go on holiday,go for a holiday一个有冠词,一个无冠词 go for a holiday.have a holiday.go on a holiday.有什么区别 go on holiday / have a holiday / go for a holiday 有什么区别? go on holiday和 go on a holiday 的区别 spend a holiday和go on a holiday的区别 有go on holiday这个词吗 它等于be on holiday或have a holiday吗 on holiday和for holiday的区别 on holiday与take a holiday的区别 go on holiday = be on holiday = have a holiday这个短语中为什么前2个没有a go on a holiday = go for a holiday = spend a holiday这种说法对吗? 课本上有be on holiday 为什么不是be on holidays 或者 be on a holiday?还有,