Throughout the greater part (a)_______ Bertrand Russell’s Childhood, (b)____most important hours of his days were those (c)____ he spent alone in the garden full of different kinds (d)_____ flowers.
i) a) of b) the c) that d) of
ii) a) in b ) the c) which d) of
iii) a ) of b) the c) when d ) on
iv) a) from b) the c) that d) of