This morning my housemate Ping and I went to Burke Museum.It was free on the first Thursday of each month.We saw pictures of polar bears and the development of the state of Washington.

• 今天早上我和我的房友郭萍教授去柏克博物馆，每月的第一个周四是免费的，我们看到北极熊展览和华盛顿州的演变。