Question

Fill in the blanks using appropriate preposition.
1)Human civilisations have been around (a) ................ a paltry 12000 years,
barely few seconds of the geological clock. In the short amount (b)...............
time we've managed to create quite a runs us. We have etched our
dominance (c) ................ nature with our villages, town, cities and
megacities. The rapid increase of humans (d)............. left us battling with
other species
(a) () at (ii) on (iii) for (iv) in
(b) () of (ii) on (iii) with (iv) at
(c) (i) at
(ii) over (iii) off (iv) in
(d) (i) is
(ii) had (iii) should (iv) has
​

Answer 1

a) ans for

b) ans of

c) ans in

d) ans has