. ___________ ill worried my parents greatly.
Doctors are still trying their best to__________the boy for his broken leg.
The United States has become a significant musical _________around the world.
The invention of_________ paper was a great contribution to________human civilization.
—I heard that your daughter had been admitted by a famous university. —But they charge so high tuition.I can’t _________such a large sum.
Being kind to others should be everyone’s_________of life._________,our world will be more peaceful and beautiful.