Fill in the preposition:

My younger brother, Ken, was born () the 1st of March. We always have a double celebration - of his birthday and of the beginning of the spring. Though Ken is five years younger than me, we get () really well with each other. Sometimes I help him catch () witth his homework. And I always stick () for him when he is bullied. I know that Ken cares me too. He often say I'm the best older brother anybody could ask ()
ОБЪЯСНИТЕ ПОЖАЛУЙСТА РАССТАНОВКУ ГЛАГОЛОВ. КАКИМ ПРАВИЛАМ ВЫ СЛЕДОВАЛИ?

My younger brother, Ken, was born (on) the 1st of March. We always have a double celebration - of his birthday and of the beginning of the spring. Though Ken is five years younger than me, we get (on) really well with each other. Sometimes I help him catch (up) with his homework. And I always stick (up) for him when he is bullied. I know that Ken cares for me too. He often says I'm the best elder brother anybody could ask for.