1. I don't know how to practice my French
2. I don't know Latin
3. I don't know most plants in southern China
4. I don't know how long I would stay in Guangzhou
5. I don't know if I can study abroad again
6. I don't know if I can get a job in a foreign country or foreign corporation in the future
7. I don't know why I get hungry so easily in Winter
8. I don't know how to keep slim beside keeping on a diet
9. I don't know why many people keep slim even if they always eat a lot
10. I don't know the Chinese names of the friends I made at Wallstreet English
