请Once in a while there is an o

请Once in a while there is an o every once in a while there is an opportuity to pass on a ki 英语翻译请问Once in a while there is an opportunity to pass on a k 英语翻译【只要翻这一段】Every once in a while there is an opportunity to once in a while there is ____（a/an）“o” in this word. An old man is walking in the park,while a bird is standing o Once In A While 歌词 because you just cannot stay in bed while there is a group o Once there lived an old man in a twon. cause love only comes once in a while,knocks on your door an 英语翻译Once i was a soldier.While in the army there was nothing