A leap year comes once in ____years请帮我翻译并填空,Thank you

A leap year comes once in ____years请帮我翻译并填空,Thank you 闰年 LEAP YEAR怎么样 How many days are there in a leap year?回答 译文how often does a leap-year come? leap year 的意思是 A leap year is a year with 366 days.A leap year has the 29th February.A year is a leap year if it is divisible by 4 except forthe century years (divisible by 100).Century years are only leap years if they are divisible by 400.Write a program thatacce How many turn does the Earth make in a leap year?怎么回答 we have a leap year so we can keep the calendar in step with the seasons. A Leap of c语言,if(year%4==0&&year%100!=0) printf(%d is a leap year. ,year);其中&&什么意思啊,和整句意 Chinese's New Year comes in -----or-----.------comes before winter .There are 12----in a year. leap matlab中fprintf('%4d year is a leap year. ',year)这句话里面'%4d是什么意思?干啥用的? 英语背单词问题?当您学习一个单词时,它配备了许多的配搭,那么他要全背吗?例如：leap.ngreat leap forward 大跃进by leaps and bounds 突飞猛进leap year 闰年a leap in the dark 有勇无谋的行为这样一个单词 This year,blue comes ,year,sum,leap;for(i=0;i when is the next leap year (366 days)?说出意思, new in before day easter comes year's a year连词成句