II. Look at the sign or the notice. Choose the best answer for questions 15 and 16. (0.5 pt)Câu hỏi What does the notice mean? A. You need to ask for permission when you want to use the computer. B. You must ask for a computer when you go to Viva Library. C. You have to be a member of staff in order to use the computers. D. A member of staff will give you a computer.