Problem: How does the sentence end?

when writing his poem, the words did not fit into the papers, the 
Answer: papers was limited.

Problem: How does the sentence end?

Carrie blew up all the balloons but not Sarah because 
Answer: Sarah had poor lung capacity.

Problem: How does the sentence end?

The sportsman could not tie his fishing boat to the dock because the 
Answer: dock was too short.

Problem: How does the sentence end?

It was easier to grow the plants in the summer than in the winter because the sun showed less in the 
Answer:
winter .