根据所给汉语提示完成句子。
1. Some of the old buildings in Harbin are __________ (有俄罗斯风格).
2. __________ (对我来说了解……很有趣) that a lot of Jews came to Harbin many years ago.
3. The first Jews probably came to Kaifeng __________ (一千多年以前) and __________
(被……欢迎) the Song Emperor.
4. My friends said that Chinese history was __________ (很难理解).
5. I think __________, __________ (如果你努力学习，你将能理解任何一种文化).
6. For a foreigner like me, __________ about Chinese history, __________
(我学……越多，我越喜欢……) living in China.
