1)F,There're three winter months in a year
2)T.Not only ar Russia
3)F,in August 28-29 days
4)F,July comes after June
5)F,May-last month to summer
6)F,in January thirty-one day
7)T
2.1)bigger
2)more beautiful
3)saver
4)happier
5)worse
6)the mos difficult
6)more expensive
7)better
8)best
9)the most comfotable
10)hotter
11)more comfortable