1. Have you been to America?
　　你去过美国吗？
　　2. Bill Gates is an American citizen.
　　比尔•盖茨是美国公民。
　　3. He spoke with an American accent.
　　他说话带着美国英语口音。
　　4. I live among the mountains.
　　我住在群山之中。
　　5. New York is among the largest cities in the world.
　　纽约是世界上最大的几座城市之一。
　　6. My savings amount to $2000.
　　我的储蓄共达2000美元。
　　7. A large amount of money is spent on advertisements every year.
　　每年都要花费大量金钱在广告上。
　　8. We will all have a course in ancient history this term.
　　这个学期我们都有一门古代史课程。