What is the root word for "terrible" "inform" and "servant" ?

Which sentence in this excerpt from leo tolstoy’s the death of ivan ilyich suggests that ivan ilyich and his wife couldn’t even agree on how to raise their children?

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?

Which sentence uses all its nominative case pronouns correctly? a we live on the same street b them and rachel are good skaters. c the redskins fans in the family are fred and me d have joanne and him played tennis together before?