1 . Directions: Fill in the blanks with phrases in their proper forms in the box. Each phrase can only be used once. Note that there is one phrase more than you need.

give away；involve ....in；sing the praise of；be relevant to take on；show up；leave behind；refer to

1. The only reason that he _________for his success yesterday was that he always worked hard.
2. By opening a novel, I can ________my burdens and enter a mysterious world where I’m a character.
3. We didn’t expect the professor _____________at the conference.
4. All the people who ___________the accident were questioned by the police.
5. It is generally believed that being an adult involves ___________more responsibilities.
6. On the day after his first performance in London, all the newspapers _______________the new young actor.
7. The millionaire ___________his collections for free, which amazed the whole world.