Complete the sentences using the words or phrases given in their correctforms. You can add some more necessary words. 

Cancers and AIDS / untreatable / now / be cured successfully. 

A. improving   

B. making                   

C. saving                                

D. employing

A. into             

B. up to                       

C. out of                                 

D. away from

A. up to now, we have designed some solar cars.

B. solar cars have been very popular for many years.

C. we have not produced any solar cars yet.

D. solar cars are not as much appreciated as other kinds of car.

A. powerful    

B. medical      

C. dangerous   

D. computer

A. assist

B. increase      

C. make         

D. create

A. communication                  

B. education                

C. medicine                             

D. technology