Had I known this, ---------

I ---------- a lot of friends, while I was working in Bombay.

She has hit the nail on the head. While speaking to her relatives.

She sits -------- an arm-chair.

(use appropriate preposition)

My brother works in a large office, ------- I work on my own at home.

I couldn't tolerate her behaviour.

(find out the appropriate phrasal verb for the underlined word)