Zad. 1
1 - e
2 - c
3 - d
4 - a
5 - f
6 - b
Zad. 2
My little brother can’t read and write because he is only 2 years old.
I can’t speak French but I am good at Spanish.
Children mustn’t play with fire or electrical appliances.
You should study for the test if you want to get a good mark.
It is warm outside so you don’t have to take a jacket.
You shouldn’t to eat fast food if you want to lose some weight.
Zad. 3
1 I am sad because my grandma is ill.
2 Monica studies a lot because she wants to go to a good high school.
3 Alan was very busy because he did not help me with my history project.
4 There is no mineral water left so we should buy some.
5 I did not tell you the truth because I was scared.
6 George was tired so he went to bed.