Story needs to be completed:
The red skirt was too long for Victoria but fine for Amy because

My choice:
Amy is very tall.

Story needs to be completed:
Katrina trained Tanya to do aerobic exercise because

My choice:
Tanya wanted to be in great shape.

Story needs to be completed:
Cynthia got her period a lot later than did Natalie. So,

My choice:
Cynthia likely went through puberty a little later.

Story needs to be completed:
Randy wanted to give the living room a coat of paint but Kyle did not because

My choice:
Kyle was disinterested in DIY.