Related Clues:
- Ruby or Sandra
- Wallace of 'E.T.'
- See 17-Across
- Scenic Scottish river
- Low mark
- Gidget portrayer Sandra
- 'Look at Me, I'm Sandra ___'
- Insect repellent ingredient
- Fourth in a series
- See 56-Down
- Singer Joey with the 60's Starliters
- Just-passing grade
- Low grade
- River to the North Sea
- Not a grade to be proud of