III/ Fill in the blankets with " am not/ aren't/isn't " ( điền vào chỗ trống với am not/ aren't/ isn't)
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.
Loga
Sinh Học lớp 12
