1. The talking alarm clock (has woken) him up two times and he has not got up yet.
2. I have never ( seen) a solar powered calculator.
3. My father (bought) a Canon compact camera with built-in flash last week.
4. He has used his body-building machine since 2000.
5. When I got my new roller blades, they (brightened) my life
6. This commercial (has been advertising) Canon compact cameras for two weeks.
7. We did not (buy) the sewing machine last week because it was very expensive.
8. They (have been using) our colour television for 5 years.
9. Have you ever seen a videophone? My uncle (bought) it for me as a birthday present.
10. We (watched) pre-recorded videos last night.