( ) We love _____ father and mother .
A. we B. us C. our
This stone tool was made ________ Peking Man.
A．with B．by C．in
We saw some ________ on the wall.
A．drawings B．drawing C．draws
They got water ________ the river nearby.
A．with B．by C．from
He lived ________ a big cave.
A．inB．onC．at
Peking Man lived about 300，000 ________ 500，000 years ago.
A．from B．toC．for