Present Perfect Tense - Already/Yet

Fill in the blanks with either "already" or "yet".
1. Have you finished your meal ? We have finished our meal.
2. I have been to Chiang Mai. I haven't been to Chiang Mai .
3. Has the train arrived ? The train has arrived.
4. Have you done your homework ? I have done my homework.
5. I have been to Singapore three times. I haven't been to Singapore .
6. I have watched the new Harry Potter movie. I haven't watched the new Harry Potter movie .
7. Have you finished reading that comic book ? I have finished reading that comic book.
8. I have not played football this month . I have played football this month.
9. I have not eaten . I have eaten.
10. Jack has gone to school. Has Jack gone to school ?