Seven days in a week一周七天
作者:张欣雨 2018-09-25
Thereareaboutfifty-twoweeksinayear。Andtherearesevendaysineachweek。ThefirstdayofaweekisSunday。TheotherdaysofaweekbetweenSundayandSaturdayareMonday，Tuesday，WednesdayThursdayandFriday。Mondayisthesecondday，Tuesdayisthethirdday，Wednesdayisthefourthday，Thursdayisthefifthday，andFridayisthesixthday。Whatsthelastday？Doyouknow？
