REACHING THE FINISH

Bruce Venzke and Gail Grabowski

What do the following phrases have in common?

1. FOGGY BOTTOM

2. CRIES FOUL

3. ALPHABET SOUP

4. NOT MY FAULT

5. PHONE TAG

6. DARK SIDE

7. AIR SUPPLY

HINTS:

A. Long-running quiz show

B. It has to do with the last word in each clue 

Answer:

 

The second word in each clue can be followed by LINE to make a common phrase:

 

1. Bottom line

2. Foul line

3. Soup line

4. Fault line

5. Tag line

6. Sideline

7. Supply line 

("What's My Line?")