.A man may be known ______- he keeps.
Marco Polo is said to have sailed on __________ Pacific Ocean on his way to Java in __________ thirteenth century.
It was __________ cold winter night and the moon was shining brightly across __________ night sky.
Animals are obviously __________ lower form of life than __________ man.
There are over 58, 000 rocky objects in __________ space, about 900 of which could fall down onto __________ earth.
Experts think that __________ recently discovered painting may be __________ Picasso.