Fixed Expressions with 'Say', 'Tell', and 'Ask'

There are many common expressions with say, tell, and ask, for example:

say: say a few words, say so, say no more, say nothing, say your prayers

tell: tell a lie, tell a story, tell you so, tell the time, tell the truth

ask: ask after someone, ask (for) a favour, ask a question, ask the price

Choose the correct expression to fill the blank in each sentence.

1. Please don't . I need to concentrate.
2. Can you ? I'm running late.
3. He refused to about what happened.
4. She decided to to her children before bed.
5. Did you about the new project?
6. I need to before making a decision.
7. He always when he is nervous.
8. She couldn't that she was wrong.
9. He promised to no more lies.
10. I want to before we leave.