Problem: How does the sentence end?

I tried to fit the jacket into the backpack, but the
Answer: jacket was too heavy.

Problem: How does the sentence end?

Leslie had a pair of basketball shoes while Dennis had sandals.
Answer: Leslie was ready to play some sports.

Problem: How does the sentence end?

When Leslie slammed the dusty book closed, Hunter sneezed, so
Answer: Leslie gave him a tissue for his nose.

Problem: How does the sentence end?

Samantha was trying to have a serious conversation, but Christine kept being goofy, so
Answer:
Samantha was unable to get their point across.