There are 1 days 2 a week. They are 3 , Tuesday, Wednesday, Thursday, Friday, Saturday and4 .Sunday is the first day 5 a week. Monday is the second day of a week. The last day of a week is Saturday. 6 China, people work 7days a week. They go to work from Monday 8 Friday. They don't go to work 9 Saturdays and Sundays . They stay 10 home.
是直线，
是平面，
、
平面
且
”