Choose the correct answers.
1. Have you ever to London?
A. be B. being C. been D. gone
2. The Eiffel Tower is the most landmark in the world.
A.visit B.. visiting C.visited D.to visit
A.one B.two C.two times D.twice
3. I Da Lat three times in all.
A.visit B.visited C.visiting D.have visited
4. This is the first time that I a 3D film.
A.watch B.watched C.have ever watched D.have never watched