TOPIC 2 : SUBJECT AND VERB AGREEMENT (Sự hòa hợp giữa chủ ngữ và động từ) Use the correct verb tense or form : 1. Rickets …………… a children’s disease cause by a lack of vitamin D. (be) 2. Measles …………… a dangerous disease for pregnant women. (be) 3. Statistics …………… a difficult course for people to understand. (be) 4. Statistics …………… that approximately 40 percent of all marriages in the Unites States ……………… in divorce. (show / end) 5. The United States ……………… of 50 states. (consist) 6. Two hours ……………. too long to wait, don’t you think ? (be) 7. Cattle ………………. to graze near the church. (allow) 8. The police …………………….. the thief recently. (arrest) 9. Peaches and cream …………… delicious. (be) 10. Peaches and cream …………… perishable and be refrigerated. (be) 11. The majority of the birds ………………. for winter. (migrate) 12. The majority of the homework ………………. useful. (be) 13. A number of books on U.S universities ………………. in the library. (be) 14. The number of books on U.S universities ………………. fifteen. (total) 15. Kara Walters, together with her classmates, …………………… a formidable opponent on the basketball court. (present) 16. Either the physicians in the hospital or the chief administrator …………. going to have to make a decision. (be)