Ответ:

1. I haven't seen

2. Are you doing

3. I have visited

4. has lived

5. Have you still studying

6. am doing

7. am working

8. to go

Объяснение:

Ответ:

1. I haven't seen.

2. Are you doing.

3. I haven't visited.

4. Has lived.

5. Have you still studying.

6. Am doing.

7. Am working.

8. To go.