6.-Smart-silly
Interesting-boring
Difficult-easy
Brave-scared
Calm-worried
Lucky-unlucky
Relaxed-stressed
Happy-upset
Better-worse
Optimistic-pessimistic
5.B)tired
C)alarmed
E)enjoy
G)tired
H)lucky
I)boring
J)speak
11. 2b
3b
4a
5b
6a
7a
14.
2.Hi! It's good to see you too!
3.How are you?
4.I'm fine, thank you, but i fell a bit sad.
5.Can i help you?
6.No,thanks. I'm missing my friends.
7.Don't worry. You'll meet them tomorrow at school