.Exercise for Subject-verb Concord1. Which of the following sentences is incorrect?A. His sister rather than his parents is at home now.B. Every boy and every girl are excited to hear the news.C. His thanks were really sincere.D. Either Jack or John knows the truth.2. Which of the following sentences is incorrect?A. Poultry are very expensive in the city.B. New machinery were introduced in the factory.C. The police are investigating the murder case.D. The militia were calle
