Compared with his sister, Jerry is even more ___ to, and more easily troubled by emotional and relationship problems.
9. Please ______ your sister to bring the ticket for the concert.
8. Be careful ! The slightest spark could ______ the fireworks.
7. The manager meant ____ the workers that being 5 minutes late meant ____ the company.
6. Never waste anything, and ______ never waste time.
5. China is a ______ country ______ to the third world.