根据短文内容，把下列句子补充完整。
In China, most students go to school by bike or by bus. If the school is not far, they can walk to school every day. Few students are late for school. But things are different in other countries. In many Western countries, students live far from their schools and they have different ways to get to school. Many of them go by subway. In some cities, there are double-deck buses. This kind of bus has two floors and it can carry more people. So, some Students can take a double-deck bus to school. In some cold countries, it often snows. The students in town may take a school bus. But the students in villages far from the school have to go by sledge (雪橇) because there is snow everywhere. Sometimes, the students may be late for school. If it snows heavily, the students can only study at home. Guess, in which country, students may go to school by bus?
