their birthdays only come _____ four years是填each,every还是once

their birthdays only come _____ four years是填each,every还是once what do David and his mother do on their birthdays? Children all over the world like to celebrate their birthdays their birthdays are in august.改为一般疑问句 their birthdays are in august.改为否定句 How do the kids in the world celebrate their birthdays? Only for their own people usually eat noodles on their ().括号中应填birthday还是birthdays? why do people eat noodles on their birthdays in China?【翻译】 lily and lucy have their birthdays【】the same dayA.on B.in C.at D.for Su Yang ( ) her friends are talking ( ) their birthdays.要说明理由. their birthdays are ____the same day.A AT B in C to D on lf their birthdays are on school days,when may they have the parties januaruy,how,in,many,have,birthdays,students,their连词成句 John is twenty year old ,but he has only five birthdays.Why? liping is twelve years old,but he has only three birthdays.why? Li Pig is twelve years old ,but he has had only here birthdays.why? Li Ping is twelve years old,but he has had only three birthdays .why?