Exercise 2 : Fill in the blanks using “AM, IS, ARE, AM NOT, ISN’T, AREN’T”:
1. It an onion. (+)
11. New York ………….. a city. (+)
2. Jasmine a student. (-)
12. He ……… a postman. (+)
3. We friends. (+)
13. It ………. nine o’clock. (+)
4. I ………. hungry. (-)
14. Manhattan …………. an island(đảo). (-)
5. Mark ............. 20 years old. (+)
15. Mr. Richards …… an engineer (+)
6. A bee ……….. a big insect(sâu bọ). (-)
16. I ………..ill. I …………. happy. (+ / -)
7. Newsweek ………… a magazine. (+)
17. London ……….. a big city. (+)
8. I … . a professional (chuyên nghiệp) football
player. (-)
18. Dave and Adrian ………… sisters. They ……..
brothers. (- / +)
9. I know you. You ……. in my class. (+)
19. New York ………. near to New Jersey. (+)
10.Cows ……… insects. They …….
mammals(động vật có vú). (- / +)
20. Susan and I ……….. teachers. We ………..
students. (- / +)