Réponse:
a. We have studied (study) English literature at school, and we love reading.
b. Jimmy has worked (work) as a paperboy, so he knows a lot about
newspapers.
C. I have watched (watch) many American TV series, which I can recommend
to the public.
d. Jimmy has played (play) the guitar for 4 years: he could give lessons.
e. I have organised (organise) concerts at my school: I can do it in the cultural
centre as well.
f. Jimmy has bought (buy) a bicycle so he can cycle to the centre!
Bonne journée !