Question

Answer 1

1. have visited

2. has read

3. haven’t begun

4. has been

5. haven’t started

6. have been

7. have gone

8. has explained

9. has taken

10. hasn’t finished

11. haven’t seen

12. haven’t seen

Answer 2

`1)` have visited

`2)` has read

`3)` haven’t begun

`4)` has been

`5)` haven’t started

`6)` have been

`7)` have gone

`8)` has explained

`9)` has taken

`10)` hasn’t finished

`11)` haven’t seen

`12)` haven’t seen