Betty envies Maria because 
OPTIONS:
- Betty is awarded the gift basket and ribbon for best Halloween costume.
- Maria is awarded the gift basket and ribbon for best Halloween costume.
Maria is awarded the gift basket and ribbon for best Halloween costume.

Victoria wanted to give Mary a reason to finish the race with him, because 
OPTIONS:
- Victoria was so discouraged.
- Mary was so discouraged.
Mary was so discouraged.

The shingle would work better on the house's slanted roof than the tar because the 
OPTIONS:
- shingle is outdated.
- tar is outdated.
tar is outdated.