(1)

Federal authorities involved in the investigation have found the local witnesses are difficult to locate, reticent, and are suspicious of strangers.

 

(2)

New items developed for automobiles in the1997 model year included a safer air bag, which, unlike previous air bags,eliminated the possibility that a burst of smoke would appear when the bag inflated,and making an already terrified passenger think the car was on fire.

A  inflated, andmaking

B  inflated, so thatit could make 

C  inflated and made

D  inflated and make

E   inflated to make

 

(3)

According to a survey of graduating medical students conducted by the Association of American Medical Colleges, minority graduates are nearly four times more likely than are other graduates in planning to practice in socioeconomically deprived areas.