Заполните пробелы глаголами в форме настоящего совершенного или настоящего совершенного длительного времени:

1. George (dig) ____ holes in the ground for more than two hours now and he still (not find) ____ a mole (крот) .

2. Research (show) ____ that most internet surfers are women.

3. I (know) ____ her all these years and never ever have I been bored with her company.

4. I (plant) ____ three new trees in my garden this morning.

5. They (never ask) ____ me if I had the right qualifications.

6. Scientists (do) ____ research on that illness but still (not find) ____ anything yet.

7. I (use) ____ this car intensively for the past 10 years, it (run)____ about 200 000 km.

8. The meeting (decide) ____ to give the project one more month

to prove itself.

9. The Browns (search) ____ for me for over an hour.

10. Mike (write) ____ novels since 1995, and he (write) ____ three since.