[Q]: How does the sentence end?

After buying the animals food, the medicine treat for the dog was better than the syringe since the 
OPTIONS:
- treat was empty of medicine.
- syringe was empty of medicine.

[A]: syringe was empty of medicine.
QUES: Continue writing.

The pencils of Ian are always sharp for class, but Donald's are not because 

OPTIONS:
- Ian is lazy.
- Donald is lazy.
+++++++++
ANS: Donald is lazy.
Problem: How does the sentence end?

The airplane was steady, but the bus was shaky, because the 
OPTIONS:
- bus had a lazy mechanic.
- airplane had a lazy mechanic.
Answer: bus had a lazy mechanic.
sentence: The sales clerk tried to put the decorative plate in the box but it wouldn't fit; the  OPTIONS:
- plate was too small.
- box was too small.
complete: box was too small.
Benjamin is Matthew's economics tutor and helps him to get better, because 
OPTIONS:
- Benjamin need help.
- Matthew need help.
Matthew need help.
Problem: Continue the following story.

Michael abused the dog and Donald treated it with much care. 
OPTIONS:
- Michael hated the dog.
- Donald hated the dog.
Here's how I want to continue it:
Michael hated the dog.