how often do you exercise用英语怎么说

题目

how often do you exercise用英语怎么说
.题目是对下列各句的画括号部分提问，刚才打错了题目，一些没大写
people usually eat （moon cakes） at mid-autumn festival .
2.my classroom is （on the third floor）
3...the students in my class often get to school（ at 7;30.）
4..the coat on the chair si ( Jim's)
5...Tom likes his birthday best( because he can get many presents.)
6....the flowers (on the desk)are light blue
7....mr lu is talking to( his students)

答案

汉语意思：你时隔多久锻炼一次?（你多久锻炼一次?）
how often意为“时隔多久,多久”,用来提问频率.如何回答你的这句英语呢：应这样
How often do you exercise?
Three times a week.一周三次.