___ most of the earth’s surface is covered by water, fresh water is very rare and precious.
| A．As | B．Once | C．If | D．Although |
Only then _________ to answer violence with violence .
A. we decided B. we decide C did we decide D. do we decide
We have reached a stage _____ we have almost no rights at all.
A .when B which C. in where D w
here
Two –thirds of them died or _______ during the earthquake .
A. was injure B. were injured C. is injured D are injured
We ate an early supper and went to see a great temple ______ floors made of silver.
| A．whose | B．with | C．which was | D．had |
Workers built shelters for survivors _________ homes had been destroyed .
A. their B which C who D whose