All of the dogs have five claws on their front feet. Both of the Irish wolfhounds placed first in their categories. One of the judges at the show left her scores with the official scorer. A word processor could improve office productivity. Robots were utilized to assemble products in factories. Criminals are frequently identified through a computer fingerprint search. tions: Choose the correct verb and corresponding subject in the following Because of inexperienced workers and old equipment, the costs to build the (is / are) increasing. The Fahrenheit scale of temperature and the mercury thermometer (was / w invented by Daniel Fahrenheit in 1714. Nearly 300 years later, everyone in this country (is / are) affected by Fahre invention