Giúp 5 câu này với ạ! Choose the best answer to complete each of the following sentences. 16. We will _____________chips in the brain to control devices in the future. A. implant B. add C. include D. attach 17. The ______of penicillin, one of the world’s first antibiotics, marks a true turning point in human history A. generation B. exploration C. invention D. discovery 18. Science and technology have_____________ the life safe, secure and comfortable. A. transformed B. made C. done D. changed 19. Facebook was built on the_____________ of earlier social network sites like MySpace and Bebo. A. succeed B. successful C. successfully D. success 20. The facsimile _____________by Alexander Bain in 1843. A. invented B. was invented C. has been invented D. has invented