We visited lots ___places. A. on B. of C. at
Where are you from? A.你叫什么名字?B.你来自哪里?
Welcome! A.谢谢!B.欢迎!
This is Mike. A.他是麦克。B.这是麦克。
Sit down. A.坐下。B.起立。
当别人对你说再见时,你说: A.See you! B.Hello!