Christopher always just winged his labs for his science class, which upset the more studious Craig. 
OPTIONS:
- Christopher just had a more prepared approach to things.
- Craig just had a more prepared approach to things.
Craig just had a more prepared approach to things.

Elena was excited to try out the hammock that Samantha had bought them, and 
OPTIONS:
- Elena was glad their friend liked it.
- Samantha was glad their friend liked it.
Samantha was glad their friend liked it.

Megan was always following in the steps of Sarah since 
OPTIONS:
- Megan provided effective leadership .
- Sarah provided effective leadership .
Sarah provided effective leadership .