Problem: How does the sentence end?

Jason needs to clean a petrified wood and asks for Benjamin's help, so 
Answer: Benjamin agrees to help her.

Problem: How does the sentence end?

Rebecca listened as Lindsey explained the properties of several crystals in the shop, and then 
Answer: Lindsey sold one.

Problem: How does the sentence end?

Randy tried to step in and prevent Michael 's fall, but 
Answer: Randy was too slow.

Problem: How does the sentence end?

John preferred the liquid soap to the hand bar soap because the 
Answer:
bar soap was harder to lather.