QUES: Continue writing.

The shoes of Erin cost 20 dollars, while Katrina's cost 200, so

OPTIONS:
- Erin is likely poorer.
- Katrina is likely poorer.
+++++++++
ANS: Erin is likely poorer.

QUES: Continue writing.

Christine knew she would receive discipline from Tanya if she acted up, since

OPTIONS:
- Christine frequently received punishment.
- Tanya frequently received punishment.
+++++++++
ANS: Christine frequently received punishment.

QUES: Continue writing.

Erin caught more fish than Jennifer , so

OPTIONS:
- Erin was disappointed with their fishing trip.
- Jennifer was disappointed with their fishing trip.
+++++++++
ANS: Jennifer was disappointed with their fishing trip.

QUES: Continue writing.

Erin was younger than Sarah, so

OPTIONS:
- Erin had a twitter to communicate with her friends rather than using mailed letters and the phone.
- Sarah had a twitter to communicate with her friends rather than using mailed letters and the phone.
+++++++++
ANS:
Erin had a twitter to communicate with her friends rather than using mailed letters and the phone.