用所给动词的适当形式填空。
1. The class meeting will ________ at 8:30.（begin）
2. Please ________ me the story of it.（tell）
3. They ________ not play football on Sunday. They went to see a film.( do )
4. We can ________ swimming on Sports Day. ( see )
5. We ________ in Beijing yesterday. (are )
6. Greece (希腊) ________ the 28th Olympic Games. (hold )
