1)The first Olympic Games took place in Ancient Greece. - Right
2) They divorced a long time ago.
3) How many pages have you read today? - Right
4) How did it happen? - Right
5) He left by the first train this morning.
6) I saw him at my friend's birthday party. - Right
7) Who has given you this toy, Charlie?
8) How long ago did you start growing flowers? - Right
9) Whom have you said it to?
10) I have not seen Tom for two years