6. Some say the Indians (has / have) been treated unfairly. 7. There (was were) only two choices on the menu. 8. Rudy as well as his cat (like likes) milk. 9. He (is/are) my boss and friend. 10. Sunbathing (is/are) my favorite form of exercise. 11. Neither of us (has have) to pay the fine. 12. The twins and their parents (travel travels) together. 13. Nobody (believe believes) your alibi: 14. America and Russia (is are) the most powerful nations. 15. "Safe" and "out" (is are) two calls in baseball.​