выберите верный вариант: The Eiffel Tower (1) by millions of

изберите верный вариант: The Eiffel Tower (1) by millions of tourists every year. It (2) in 1899 for the Paris exposition. Since that time it (3) the most famous place in Paris. I never (4) to France so if I (5) to visit Paris I definitely (6) to climb on the top of it. 1. 1) is visit; 2) visits; 3) is visited; 4) had been visited. 2. 1) was built; 2) was build; 3) had been built; 4) has been built. 3. 1) became; 2) has become; 3) have become; 4) becomes. 4. 1) has never been; 2) have been never;3) have never been;4) was. 5. 1) happens; 2) am happened; 3) am happening; 4) happen. 6. 1) will try; 2) try; 3) have tried; 4) have been trying.