Problem: How does the sentence end?

The cupcakes that my mom made could not fit on the shelves, because the 
Answer: cupcakes were too many.

Problem: How does the sentence end?

The curtains were an item to be mended before the rugs in the basement, since the 
Answer: rugs were hidden.

Problem: How does the sentence end?

Adam owns three cats, while Benjamin has none, so it is more likely that 
Answer: Benjamin is the animal hater.

Problem: How does the sentence end?

Elena was very comfortable cuddling but Carrie was not. 
Answer:
Carrie didn't snuggle up to their lover.