Problem: How does the sentence end?

We often cleaned up with vinegar instead of cleaner because the 
Answer: cleaner was much too pricey.

Problem: How does the sentence end?

My cousin did not like his phone as much as his tablet, because the 
Answer: phone had a smaller screen.

Problem: How does the sentence end?

The fisherman couldn't attach the motor to the plank on his boat, because the 
Answer: plank was too light.

Problem: How does the sentence end?

John cleaned his new car with a damp towel and this got the 
Answer:
car very clean.