2.Thêm am not,aren't,isn't vào những câu sau
1. This....my pen
2. Those ....clocks
3. They......windows
4. It.....a pencil
5. My father...........a doctor .He is a teacher
6. This ruler........long.It is short
7. Those schools......big.They are small
8. I...a nurse
9. You ...engineers
10. Ba and Bao ....here
1. isn't
2. aren't
3. aren't
4. isn't
5. isn't
6. isn't
7. aren't
8. am not
9. aren't
10. aren't
1. isn't
2. aren't
3. aren't
4. isn't
5. isn't
6. isn't
7. aren't
8. am not
9. aren't
10. aren't
( P/S : Đây không phải Tiếng Anh 6 (; )