1.You're very happy.
I'm very happy because I've just been promoted.
2. Your teacher is surpised.
My teacher is surprised because my class has just given her flowers for her birthday.
3.Your friend can't move.
My friend can't move because she's just felt from a tree.
I'm embarrased because I've just told a joke and nobody besides me has laughed.
5.Your mother is angry.
My mother is angry because she's just had an argument with her best friend.
6.You've got a lot of money.
I've got a lot of money because I've just received my salary.