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 called out to rescue flood victims. 3. Which of the following sentences is grammatically incorrect?A. Politics are the art or science of government.B. Ten miles seems like a long walk to me.C. Mumps is a kind of infectious disease.D. All the furniture has arrived undamaged. 4. Which of the following sentences is grammatically incorrect?A. Physics is an important school subject.B. The United States borders Canada.C. The Niagara Falls is in North America. D. Mumps is a kind of infectious disease.5. Which of the following sentences is incorrect?A. Only one out of six were present at the meeting.B. Ten dollars was stolen from the cash register.C. Either my sister or my brother is coming.D. Five miles seem like a long walk to me. 6. Which of the following sentences is grammatically incorrect?A. John, rather than his roommates, is to blame.B. Either Tina or Carol are sure to know the answer.C. Three pints is not enough to get him drunk.D. Forty-five percent of the doctors were woman. 7. Which of the following sentences is grammatically incorrect?A. This pair of trousers costs fifty dollars.B. Either my grandsons or their father is coming.C. The British police has only very limited powers.D. A committee of twelve men is to discuss the matter. 8. All Presidents Men one of the important books for scholars who study the Watergate Scandal. A. remains B. remained C. remain D. remaining9. Two years a long time for a patient who has to lie in bed, and do nothing.A. are B. is C. were D. wasAnswers: 1-5 b b a c d 6-9 b c a b