Раскройте скобки, употребив глагол в необходимой видо-временной форме:
1.Tourism (become) a popular activity recently.
2.Various competitions (hold) in our area throughout the year.
3.If I had an opportunity, I (visit) the Grand Canyon.
4.We arrived while they (repair) their bikes on the road to Brighton.
5.A theatre is a place where comedies and tragedies (show).
6. She (live) in Bristol for 10 years.
7. Thomas (repair) his bike for 2 hours already.
8. If she studied harder, she (achieve) great results.
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