Problem: How does the sentence end?

Carrie was training Emily to be a ventriloquist, and 
Answer: Emily had been wanting to learn ventriloquism for a very long time.

Problem: How does the sentence end?

The ghost costume lost the competition, and the goblin costume won. That's because the 
Answer: goblin costume was made by an expert.

Problem: How does the sentence end?

The interior designer decided to replace the kitchen faucet instead of the sink because the 
Answer: faucet was starting to crack.

Problem: How does the sentence end?

Carrie was not adventurous and never had fun like Felicia, due to 
Answer:
Carrie being a boring person.