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watermelon
fruit
1. How often does Danny eat vegetables?
2. How often does Danny eat fruit?
Twice a week.
Three times a week.
3. How often does Danny eat donuts?
Twice a day.
How often…
多久一次，用来询问动作发生的频率。
Once 一次 a day 一天
Twice 两次 a week 一周
Three times三次 a year 一年
.
.
.
Ask and answer . Work in pairs.
A: eat fruit?
brush your teeth?
How often do you fly a kite?
play football?
play ping-pong?
B: …
Once a day.
Twice a week.
Three times a year
…
Exercise:
1.__________ does Jenny brush her teeth?
Twice a day.