译文how often does a leap-year come?

How many turn does the Earth make in a leap year?怎么回答 How many days are there in a leap year?回答 ____ does he read english?-every year A How long B How often ( )does your mother come to the club?A,how many B,how often A leap year comes once in ____years How many days does a year have? how often does she(---------------) how does it come how often do you ___a bird count ---Twice a year How many terms does a school year have in Americe months,many,how,a,have,year,does,?写成一句话 How often does Lucy watch TV?T___ a week.