情景选择。 1. 当你初次见到时,向他问好,你: [ ] A. Nice to see you. B. Nice to meet you. 2. 当你想知道别人的年龄时,你: [ ] A. How old are you? B. How are you? 3. 别人答十二岁,说: [ ] A. I'm twelve. B. I'm twelve years. 4. 你想问他是哪国人时,: [ ] A. Where are you? B. Where are you from? 5. 当你想把你的朋友介绍给时,说: [ ] A. This is my friend. B. He's my friend.