I have always admired people like artists writers and compos

I have always admired people like artists writers and composers for being able to work(1)
_______ their own,with no one else around .Most of myfriends all work(2) _____ other people in shops and so on ,and they tell methat they would never get(3) ______ down if they worked (4)______ .I‘m not surethat all artists and writers do,(5) _________.
（ ）1.a.by b.on c.of d.for
（ ）2.a.on b.with c.for d.against