Answer:
1. Because Mary Ellen <em>has</em> not finished her chores, she cannot go to the movies.
2. The auditorium<em> have</em> two hundred seats with a good view of the stage.
3. Burger King <em>has</em> seven hundred restaurant tables for sale at the city auction.
4. Unlike Kareem, Jason<em> has</em> to study very hard in order to get high marks in mathematics.
5. Marvin wants to visit Greece because he <em>has</em> never seen The Acropolis.
6. The children next door <em>have</em> planted a flower garden next to the fence.
7. You <em>have</em> to finish your homework by the time your mother gets home.
8. The guests <em>have</em> not arrived yet.
9. Mercy Hospital<em> have</em> the state's highest success rate with cancer patients.
10. Mariah and Jason <em>have</em> given twenty thousand dollars to charity.
