in a minute ,at once ,soon哪一个比较好he phoned the police

in a minute 和 at once 有什么区别 in a minute ,.for a moment.,at once /的区别.急 in a minute ,at once ,soon哪一个比较好he phoned the police 是in a moment minute吗?能把in改为at吗?=at once right away吗 What apperars once in a minute,twice in moment,but not once in a hundred years? What can be found once every minute ,twice every moment,but once in a thousand year? What comes twice in a moment,once in a minute and never in a hundred years? what occurs once in a minute,twice in a moment,and not once in a hundred years? what's happening once in a minute twice in a week and once in a year?what's What apperars once in a minute,twice in moment,but not once in a hundred years?请回答 what happens twice in every moment,once in every minute,and never in a thousand years? what comes once in minute,twice.in moment,never appear in a thousand years. What happens twice in every moment,once in every minute and never in a thousand years? what appears once in every minute,twice in every moment,but not once in a hundred years? What can be found once in every minute,twice in every moment,but not once in a thousand years? What occurs once in every minute,twice in every moment,but not once in a hundred years? What comes twice a moment ,once a minute and never in a hundred years? what comes twice a moment ,once a minute and never in a hundred years?