Felicia, a trained ornithologist, was quite interesting to amateur birder Christine. 
OPTIONS:
- Felicia had a more profound understanding of the bird world.
- Christine had a more profound understanding of the bird world.
Felicia had a more profound understanding of the bird world.

James cannot put his signature in between the box provided because the 
OPTIONS:
- box is big.
- signature is big.
signature is big.

Angela was jealous of Victoria's academic achievements even though 
OPTIONS:
- Angela studies to reach such high standards.
- Victoria studies to reach such high standards.
Victoria studies to reach such high standards.