Вставьте нужный предлог:
1) Are you interested ... working for us?
a) at
b) in
c) of
2) I am not very good ... learning languages.
a) at
b) in
c) of
3) What are the advantages ... having a car?
a) at
b) in
c) of
4) I was afraid ... getting burnt.
a) at
b) in
c) of