The correct answers are the following:
6. Iambic pentameter is often used in blank verse. Iambic pentameter was nearly always used by Shakespeare.
7. In classical tragedies, the hero's personal defect in an area is what causes his destruction.
8. In Romeo and Juliet, Romeo is banished because he causes Tybalt's death. This is how Romeo avenged his best friend's death.
9. In Romeo and Juliet, they get married secretly. They did this before their families found out about their love and prevented them from getting married.
10. In Romeo and Juliet, Romeo will go to Mantua. This is the place where Friar Laurence instructs him to hide.