1. ____ you ____ Central Park in New York yet?
A. Do - visit B. Did – visit C. Have – visited D. were - visiting
2. I ____ three novels by Charles Dickens so far.
A. have read B. read C. am reading D. was reading
3. Thanks to these inventions, our lives ____ both positively and negatively.
A. has changed B. have changed C. were changed D. are changed
4. Arriving home, Linda opened the door, ____ the lights and lay on the sofa.
A. turned on B. was turning on C. turning D. turn
5. Since the birth of vaccination, people ____ from fewer diseases.
A. are suffering B. suffer C. have suffered D. are going to suffer
6. At seven p.m. yesterday, I ____ in my room. Suddenly, I heard a very big noise.
A. study B. studied C. had been studying D. was studying
7. She ____ in six different countries, so she knows a lot about cultures and their people's ways of life.
A. has lived B. lived C. lives D. is living
