1.The young man's job is to f____ animals in the zoo.

1.The young man's job is to f____ animals in the zoo.
2.After many years the doctor became old.He began to lose his m____,so he often forgot things.When people knew this,they did not go to see him any more."He may g____ us thr wrong medicine,"they said,and they were a____ of that.The good doctor did not understand why and a____ them,but no one w____ to tell him the real reason b____ they did not want to make the old man u____.