1.这座房子坐落在小山顶上 The house stands at the top of the hill.
2.在另一个国家里住上一段时间是令人兴奋的事情。It's exciting to livein another country for a while.
3.在这个镇的中心有个大公园。There is a big park in the center ofthetown.
4.你听说过这本书吗?Did you ever hear of  this book?