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洗脸
骑自行车
Do and guess ！
Eat More Vegetables and Fruit!
Good Health to You
often adv.常常、经常
How often “多久一次”
I often eat orange.
我经常吃橘子。
A:How often do you eat orange?
你多久吃一次橘子？
B: Once a day
一天一次
once =one time (一次)
twice =two times (两次)
three times（三次）
Once a day
Twice a day/week...
Three times a day/week/month/year... ...
Let's check!
once a month
twice a year
five times a month
ten times a day
B:Once a day/week/month/year
Twice a day/week/month/year.
Three times a day/week...
.........
Every day/ Never/....
A:How often do you eat /drink ... ?