11. In the future , maybe voice calls will disappear. We will use….to talk to see a friend at the same time. A. video chatting B. emailing C. letters D. texting 12. ___________ occurs when two people look at each other’s eyes at the same time. A. Eye contact B. Conversation C. Chatting D. Talking 13. ___________ communications include emails, texts, letters, documents, reports, newsletters, spreadsheets, etc. A. Oral B. Visual C. Non-verbal D. Written 14. In the future, people will communicate brain-to-brain, using___________. A. telepathy B. blog C. holography D. massager 15. When they looked at the river, they knew it ………for a long time. A. has contaminated B. has been contaminated C. was contaminated D. had been contaminated 16. The first Thanksgiving………by the Pilgrims in 1621. A. celebrated B. was celebrated C. is celebrated D. has been celebrated