Prepare a dictionary having minimum 2 words of each alphabet (new words) with meanings to enhance the vocabulary​

Fill in the blanks mommy told the kids, who promised they up their rooms by lunch, that they would go to the park. a would cleanb cleanedc have cleaned

How do i can change this sentence : a modern physician in a small town not only is proficient in general medicine but surgery as well. to parallel structure?

Abelief that one's culture is superior to another.