Man ____ ( Q. 16 ) is believed to have evolved from Apes, ____( Q. 17 ) a curious mixture of varied motives .He is not only_____ subjects of needs ____ also their creator. He also seeks to satisfy his needs and caters to his desires.
16.a= which b= when c= while d= who
17.a= am b= are c= is d= has
18.a= To b= the c= a d= an
19.a= but b= and c= To d= the