What is the main idea of the sentence

Which of the following statements is true about the figure below?

Akeyword should be just as confusing as the word you are trying to learn so you learn to concept them

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?