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)