1.
keep in with
It's a good idea to keep in with John as he might be helpful to you later.
He was trying to keep in with her because she was about to be promoted.
2.
keep in with somebody
Anglais mot "pozostawać z kimś w dobrych stosunkach"(keep in with somebody) se produit dans des ensembles:
UNIT 1 1.3 - LIFESTYLES (komunikacja)