Use "raise an eyebrow" in a sentence

1. She did not so much as raise an eyebrow.

2. An intriguing item on the news pages caused me to raise an eyebrow over my morning coffee.

3. Counting Can Be Abstract: This may raise an eyebrow but have you ever asked a child to count the number of times you've thought about getting a task done? Some things that can be counted aren't tangible