Task 2 Form present perfect or past simple:

1. In 1855 a Scottish explore...(name) the falls after Queen Victoria.

2. The Australian government... (open) two amusement parks recently.

3.It... (take) 14 months to build the bridge in 1905.

4. Over 50 000 tourists...(try) bungee jumping off this bridge so far.

5. How long...(you/live) in America?

6(you/type) the letter yet?