----- Nội dung dịch tự động từ ảnh ----- Bài tập 4: Chọn đáp án đúng (Choose the suitable preposition of time to complete the following sentences.)
1. (For/In) the future, we will communicate with each other by holograms. 2. Scientists predict that (for/in) 2040, we will be able to send messages telepathically. 3. I have been studying about social network platforms (by/for) two hours. 4. (In/By) the next decade, we might have fully immersive virtual reality communication. 5. The research paper on wireless charging must be completed (for/by) Friday. 6. We have been discussing the impact of artificial intelligence on communication (for/in) the past hour. 7. He has been working on the project of translating alien languages (for/by) three months. 8. The seminar on the future of communication is (by/in) two weeks. 9. The development of a translation machine should be finished (by/for) the end of this year.