The problems, _____ properly, will seriously affect the relations of nations.
9. Many rich Americans have long_________money to charities, rather than to their children.
8. Your understanding on the theory is_________satisfactory. You must read more after class.
7. This year is very special, _______Chinese New Year' s Day falls on Valentine' s Day.
6. How can you call it home? It' s__________a house.
5. When _______about one of the biggest concerns today, many people mention the sharp rise in prices.