1)In their designs the S. always sought ___ to a problem,……
sipmlest solution
solution of simplest
solution that simplification
h solution simplest
2)The poet MM spent several years ___ school in CP.
taught
hing
teaching
D. and to teach
3)When the US C authorized a postal service in 1789, ___ 75 local offices.
nation having
the nation
nation had
the nation to have
4)___ places on the Earth where plant and animal life has not been affected by the activities of humans.
few
g few
e are fewb
5)___ nerve pathways conect the eye directly to the pineal gland, that gland is extremely sensitive to light.
use