medical practice

An old male dog ( ) Speckle breathed his last shortly after a veterinarian gave him a lethal injection. I observed the last moments of his life ( ) the lens of my camera. Shortly before, Speckle was ( ) wagging his tail as he ( ) his favorite food. "Good boy. You've done your best," a woman said as she gave Speckle a hug and ( ) him on the head.

1. a. naming b. named c. having named d. with name
2. a. through b. on c. at d. into
3. a. happy b. with happiness c. happily d. happilily
4. a. was fed b. fed c. had been fed d. had fed
5. a. patting b. was patting c. with patting d. patted

As the dog looked with complete trust at the people gathered in a facility of a nonprofit organization ( ) animal protection in a mountainous area in the Kansai region, the veterinarian inserted the needle. The NPO workers smiled and ( ) to Speckle as the dog's head drooped, but its wide-open eyes showed no sign of agony. I believe Speckle, who ( ) more than 10 years old, died peacefully.

6. a. involving on b. involving in c. involved in d. involved on
7. a. had talked b. had been talking c. talking d. kept talking
8. a. believed to be b. believed to have been c. was believed to be d. was believed to have been