I/ Choose the best answer A, B, C or D to complete the sentence: 1. Many parents find it difficult to communicate___________ their teenage children. A. of B. by C. through D. with 2. Communication has changed significantly___________ the last ten years. A. in B. by C. for D. since 3. Letters were a common___________ of communication prior to the electronic age. A. skill B. means C. channel D. System 4. They couldnt communicate in___________, because William was illiterate. A. body language B. sign language C. writing D. speaking 5. __________ allows you to hold meetings with colleagues who are located in different places. A. Face-to-face meeting B. Message board C. Multimedia technology D. Video conferencing 6. In a formal interview, it is essential to maintain good eye___________ with the interviewers. A. contact B. link C. touch D. connection 7. Science and technology are the keys__________ economic and social development. A. for B. to C. in D. of 8. It is predicted that 10 million self-driving cars will be on the road__________ 2020. A. until B. from C. since D. by 9. John J. Stone-Parker came__________ the idea of creating a star-shaped device when he was 4 years old. A. up with B. down on C. across with D. away from 10. If you dont__________ your invention, other people may well take advantage of it. A. discover B. explore C. patent D. develop 11. Vivian said that she__________ Jim at the supermarket the previous day. A. was meeting B. had met C. would meet D. was going to meet 12. __________ create the applications or Systems that run on a Computer. A. Computer manufacturers B. Software developers C. Archeologists D. Conservationists 13. Technological advancements have turned AI and robotics from science fiction to__________. A. reality B. benefit C. quality D. discovery 14. Well have flying cars in the future, __________ we can travel much faster and further. A. although B. since C. in order that D. so that 15. ___________ is the name of a planet that matches the Roman God of the sea. A. Mars B. Sun C. Venus D. Neptune 16. Unidentified Flying Objects or ___________ havent been formally recognized. A. UFOs B. spaceships C. space shuttles D. spacecraft 17. Some people believe the___________ was created by a big explosion. A. galaxy B. atmosphere C. universe D. outer space 18. ___________ is named after the Roman God of war. A. Uranus B. Jupiter C. Mars D. Venus 19. A (n) ___________is a scientist who studies the stars and planets. A. captain B. alien C. astronaut D. astronomer 20. Astronauts___________ around in space because there is no gravity in space. A. fly B. float C. walk D. trace