4.
a) graduate
b) teacher training college
c) classes
d) lessons
e) homework
f) mark
g) prepare
h) behave
i) strict
5.
a) at
b) on
c) of
d) from
e) to
f) with
g) at
h) from
i) to / on
j) of
k) from
l) at
m) between
n) with
6.
a) good at
I'm really good at art because I enjoy painting.
b) bad at
I'm bad at sport because I don't like to spend my free time doing sport.
c) interested in
I'm fully interested in chemistry because it's something new for me and I like learning new stuff.
d) bored with
I'm bored with Literature because I don't think that is very important for my future if I don't want to be a teacher or something like that.
e) keen on
I'm keen on computers because I consider that is important because , in fact, we live sorrounded by technology and computers.
( Sper sa te fi ajutat , m-am straduit sa fac cat de bine am putut , sper sa-ti fie de folos :)) )