how often do you have art festival in your school 这里为什么用how

how often do you have art festival in your school 这里为什么用how how often do you have your school sports meeting Do you have ___ Art Festival in your school?A./ B.first C.th Do you have an Art Festival in your school?（同义句替换） How many clubs do you have in your school? How often do you have your hair___? 用often,have,school,how,you,do造句 How often do you do sports in your free time how long have you prepared for the art festival? how many breaks a day do you do have in your school是什么意思 Do you have a pop concert at School Art Festival? How many clubs do you have in your school?怎么回答 主要,是回答!