Question:
Students hate exams because they are lazy.

they
Answer:
Students
Question:
The lumberjacks cut the trees so they could be sold.

they
Answer:
the trees
Question:
Tim asked Jerry to run to the store so that he would be late for home.

he
Answer:
Jerry
Question:
The academic clubs lost their members because they did not have free time.

they
Answer:

their members