教学目标?重点词汇:?Cabbage,peas,onions,month,day?重点句型:?How often do you……?buyteachthinktodayyesterdayboughttaughtthoughtpeasmonthday天月30 days=1 monthSeven days=a week1 month=about___ weeks=___days2 weeks=___daysHow often do you ?Once a _____.Twice a _____._____ times a _____.How often do you ?Once a _____.Twice a _____._____ times a _____.