,There are __days in a week 2,There are four __in a year The

,There are __days in a week 2,There are four __in a year They are spring __ __and winter
3,There are__months in a year 4,there are__hours in a day 5,winter is too__in Harbin 6,In summer we can go to__in the sea 7,There is much green grass in__