The Present Perfect tense

The Present Perfect tense
1. ______ the Great Walls, one of the seven Wonders of the world?
A. Have you visited ever B. Did you ever visit
C. Are you ever visiting D. Have you ever visited
2. We ______ in such trouble. You can now see what a small mistake might lead to.
A. have never been B. never will be C. have been never D. never have been
3i. He’s never driven a car.
 He never ____________________________________
3ii. He’s never driven a car before.
 This is ______________________________________
4. I ______ this many times before. I am sure I can deal with it.
A. was doing B. have done C. was done D. do
5. I haven’t been able to sleep well ______.
A. in those days B. in the past C. recently D. in two weeks’ time
6. ______ the government has greatly improved the transport system in this area.
A. To date B. In time C. Currently D. Up to date
7. In the last few weeks, gold prices ______.
A. unpredictably have dwindled B. have unpredictably been dwindled
C. are dwindling unpredictably D. have unpredictably dwindled
8. There’s been a downfall in Alcaraz’s performance ______ the past months.
A. during B. through C. since D. from