情景选择。
1. 当你想知道对方来自哪里时，你应该问：[ ]
A. Where do you live?
B. Where are you from?
2. 当你想表达再次见到某人的高兴心情时，你应该说：[ ]
A. Nice to see you, too.
B. Nice to see you again.
3. 当你想表达“欢迎回到学校来”时，你应该说： [ ]
A. Welcome to school.
B. Welcome back to school.
4. 当你想把你的新朋友Bai Ling介绍给Li Ming时，你应该说： [ ]
A. Li Ming, this is my new friend Bai Ling.
B. Li Ming, that is new friend Bai Ling.
5. 上课时，你迟到了，你应该说：[ ]
A. I'm sorry, I'm late!
B. Sorry.