1 Tony's classroom is on the 30th floor of the new teaching building.
托尼的教室在新教学楼的30层。
2 Mary is celebrating her birthday with friends. Now she is 14.
玛丽正在和朋友们一起庆祝她的生日。现在她14岁了。
3 My room number is 517.
我的房间号码是517。
4 I graduated from No.15 Middle School.
我毕业于第十五中学。
5 Mary will take Flight MU 1940 to Shanghai.
玛丽将乘1940年的班机去上海。
6 The story happened in 1830.
这个故事发生在1830年。