Put the verbs in brackets unto the present perfect or the past simple.
1.In 1855,David Livingstone,a Scottish explorer .......(name)the falls after Queen Victoria.
2.The African government ......(open)two national parks near the falls to protect wild animals.
3.The Victoria Falls Bridge is one of the most famous birdges in the world.It .....(take) just 14 months to build and .......(be) ready in April,1905
4.Over 50,000 people .....(try)bungee jumping off the Victoria Falls Bridge so far.
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