sometimes they "ask each other out" or tell one another how good they look or things like that. and sometimes they just hang out. and cooties is no longer an issue.
two year olds can sleep in both
not two year olds they have to be like 7
The plural form of two-year-old is two-year-olds.
two Thousand twelve
There are twelve months in a year.There are twelve months in a year.There are twelve months in a year.There are twelve months in a year.There are twelve months in a year.There are twelve months in a year.
The correct way to write the year on an invitation is "two thousand twelve." This follows the standard format for writing out the year in words.
yes
Two-year-olds have accidents.
The twelfth day of January in the year two-thousand-twelve -OR- The twelfth day of January in the year two-thousand-and-twelve -OR- The twelfth day of the first month in the year two-thousand-twelve -OR- The twelfth day of the first month in the year two-thousand-and-twelve And the such.
To do what?
You seem to be having trouble figuring out which word is the noun that needs to be the plural. Which thing do you have more of - twenty, year, or old? Twenty years is the modifier for old. You have two twenty year olds.
Thoroughbreds have to be a minimum of two years old to race. All races have their own age requirements. There are races for two-year-olds, three-year-olds (which are the more widely known ones like the Kentucky Derby, Preakness, and Belmont), three-year-olds and up, and four-year-olds and up.