viết đọan văn bằng tiếng anh ns về 1 trong những chủ đề sau
1. Canoening along the C&O canal , enjoy the beautiful scenery.
2. Exploring Washington D.C on a Hop-on Hop-off trolley
3. Visiting the White House , where the President of the USA lives .
4. Visiting the National Children' s Museum
5. Cycling on bike trail in the National Park .
6. Enjoying the cherry blossoms at the Tidal Basin