Bonjour,
Réponse :
They are interested in science.
to be interested in = être intéressé par
Do you care about the environment?
to care about = se soucier de
She is keen on science.
to be keen on ( something )= être passionné par ( quelque chose )
He is really into motor sports.
to be into = être fan de, aimer
He has never come up with any brilliant idea, has he?
to come up with ( something ) = proposer ( quelque chose )
She is passionate about cosmetology.
to be passionate about ( something ) = être passionné par (quelque chose )
His work has to do with neurosciences
to have to do with = avoir rapport avec