While any child could play with the toys cars there was an age requirement established for playing with the marbles because the
OPTIONS:
- cars were hazardous.
- marbles were hazardous.
marbles were hazardous.

Cynthia wanted a birdcage made of gold so they asked Erin to make it because
OPTIONS:
- Cynthia worked on one to be built.
- Erin worked on one to be built.
Erin worked on one to be built.

Studying economics was far easier for Megan than Monica, as
OPTIONS:
- Megan struggled with numbers and math.
- Monica struggled with numbers and math.
Monica struggled with numbers and math.