Monica was better at knitting than Elena because the hands of 
OPTIONS:
- Monica worked much slower.
- Elena worked much slower.
Elena worked much slower.

Betty mailed Laura's lost luggage to them in the mail, because it had been left at 
OPTIONS:
- Betty 's house.
- Laura 's house.
Betty 's house.

Angela is taking lessons from Erin on growing plants and things because 
OPTIONS:
- Angela is a newbie.
- Erin is a newbie.
Angela is a newbie.