Cho dạng đúng của từ trong ngoặc

1- I (be)....................................... a student 2 years ago.

2- He (be).................................. a doctor two years ago.

3- They (be)................................. farmers last year.

4- Lan and Ba (be)......................... nurses last year.

5- It (be not)............................ cold yesterday.

6- She (be not)........................ a pupil last week.

7- This hat (be not)......................... new yesterday.

8- My parents (be not)....................... teachers two years ago.

9- They (be not).......................... doctors last year. They ( be) …………... students.