Tenses Put the verbs in brackets into the correct tense.
1. I (know) him for ten years and I still can't predict how he will react.
2. Don't pick that box up in case you (hurt) your back.
3. After we (be) at the gym for an hour, we went out for a meal.
4. While Tom (wait) for the plane, he did some shopping in the airport.
5. The children were very excited because it was the first time they (ever/travel) abroad.
6. We (look) forward to this trip for a long time.
7. I'll go to the library when I (finish) this book.
8. How long (you/spend) at the gym last night?
9. Do you think many tourists (visit) the festival next year?
10. What (you/plan/do) with all the money you got from selling your car?
All this did not prevent Hawking become a world-renowned scientist and considered one of the smartest men on the planet. But Hawking is not only undertakes research activities in the lab away from people. He writes books and actively promotes science, he lectures and teaches. Hawking was married twice and has children. Despite his condition and advanced age (scientist already 71 years old) he continues to conduct research and public activity, and a couple of years ago even went to a special flight with the session simulate weightlessness.