They are asked to write a diary in English(every other day).(PS.就括号里的内容提出问题)~

问题描述:

They are asked to write a diary in English(every other day).(PS.就括号里的内容提出问题)~
格式是( )( )are they asked to write a diary in English.^-^~

( How )( often )are they asked to write a diary in English