Sure, here are the completed sentences:

1. When the child was in bed, his mother **told** him a story.
2. When Mary left she **said** ''I'll call again next day.''
3. I've left my watch at home. Could you **tell** me the time?
4. What is the word for someone who can **speak** 2 languages?
5. I saw Peter yesterday, and he **said** he was going to buy a new car.
6. Can you **tell** the differences between butter and margarine?
7. What did Jenny **say** to you when you **asked** about the party?
8. Sorry, could you **speak** up? I can't hear very well.
9. I don't know what you are **talking** about.
10. Could you **tell** the way to the station, please?