The answers to the clues below will have something in common.

1. Frequently asked question on cell phone calls
2. Wendy's Hamburgers iconic commercial question
3. Children's book featuring a face in a crowd
4. Juliet's question to Mr. Right
5. Police officer's question to a speeder
6. Where the cool guys are
7. Connie Francis classic

Answers:

1. "Where are you?"
2. "Where's the beef?"
3. Where's Waldo? 
4. "Romeo, Romeo, wherefore art thou?"
5. "Where's the fire?"
6. Where it's happening
7. "Where the Boys Are"