1. Before the earthquake farmers noticed there were deep cracks on some of the well walls.
    ____________
2. Mice ran out of the fields looked for some places to hide.
    ____________
3. People could hear the sound of planes outside city of Tangshan even when there were no planes in the sky. 
    ____________
4. Two-third of the people in Tangshan died or were injured during the earthquake. 
    ____________
5. 75% of its factories, buildings and 90% of its homes was gone. 
    ____________
6. A number of people who were killed or injured reached more than 400,000. 
    ____________
7. Workers built shelters for survivors their homes had been destroyed. 
    ____________
8. Fresh water was taken to the city by the train, truck and plane. 
    ____________
9. In fifteen terrible minutes the big city laid in ruins. 
    ____________
10. The frightening boy whose mother was lost in the earthquake is looking for her now. 
    ____________

A. by; reached
B. by; reaching
C. by; to reach
D. to; reaching

A. off free
B. with free
C. for freely
D. for free

A. above        
B. outside          
C. beside        
D. beyond

A. in face of      
B. in search of     
C. in terms of      
D. in hopes of

A. in return         
B. in turn        
C. in other words        
D. in fact

A. at random        
B. at ease          
C. on purpose  
D. at times

A. in line with      
B. in terms of    
C. in favor of   
D. in view of

A. on            
B. in              
C. at                    
D. of

A. in        
B. to          
C. on            
D. after