1. I ..have had. (have) four exams so far this month.

2. Mr Tan .has taught.. (teach) in this school for over ten years.

3. You .aren't stoping.. (not stop) talking since you got here!

4. Scientists ..find... (find) more than 30 unknown insects.

5. She ..hasn't seen.... (not see) Nathan since he left the town.

6. Someone...is breaking... (break) a window in our classroom.

7. We .haven't decide...... (not decide) what to get Mark for his birthday yet.

8. I ....have already finished. (already/ finish) my homework. It was easy!

9. Jorge ..hasn't played... (not play) tennis since his injury.

10. My parents ..is... (be) to Australia three times

1 . have had

2 . has taught

3 . haven't stopped

4 . have found

5 . hasn't seen

6 . has broken

7 . haven't decided

8 . have already finished

9 . hasn't played

10 . have been