Помогите пожалуйста. буду благодарен

По артиклям я не спец.
2)b
4)c
5)b
6)a
7)c
8)a
10)b
11)a
12)a
13)b
15
1)are.
2)are,am.
3)is,is,is,is,is.
4)is,is.
16
1)b
2)a
17
1)She is my best friend.
2)Peter buys newspapers every day.
3Russia is the largest country in the world.
Прости,но с артиклям я не очень и со степенями сравнения тоже...

1a,2b, 3a, 4c, 5b, 6a, 7c, 8a, 9b, 10b, 11a, 12a, 13b 15 1)are 2) are, am 3) is, is,is,is 16 1)b 2)a, 17 She is my best friend. 2 Reter buys newspaper every day. 3. Russia is the largest country in the world