Problem: How does the sentence end?

Katrina is being bullied and asks Patricia for her protection, because
Answer: Katrina is thin and small.

Problem: How does the sentence end?

The backpack Benjamin had bought for Dennis was the present
Answer: Dennis had asked him for.

Problem: How does the sentence end?

His school was a lot less productive than my college because the
Answer: college was a very rich place.

Problem: How does the sentence end?

The doctor tried to store the eye in the glass case but the
Answer:
case was too small.