1. Sara's family (have/has) a history of diabetes.
2. Speed,precisions and efficiency (is/are) advancing rapidly.
3. Today the prices of houses (are/is) falling.
4. Neither a husband not a wife (are/is) free to break marriage vows.
5. Jack's entire family (was.were) overweight.
6.The fastest growing segment of the population (is/are) senior citizens.
7. Across the street (was/were) an emergency hydro truck, two fire trucks, three police cars and an ambulance.
8.The merchandise in NYC, such as stereos, cameras and other electronic equipment, (are/is) cheaper then in Toronto.
9. In the big city, everyone (is/are) for (themself/themselves/himself or herself).
10.Neither money nor power (provide/provides) true happiness.