Chọn câu trả lời đúng A, B, C hoặc D để hoàn thành mỗi câu. 15. Some documents say that people the Glastonbury Festival since the beginning of the 19th century. A. celebrated B. were celebrating C. have celebrated D. celebrate 16. The flight number 781 to Melbourne at 9 o'clock tomorrow morning. C. has arrived D. will arrive B. is arriving A. arrives 17. - How is your holiday in New Zealand? - D. Sure C. Absolutely right A. Really B. Awesome 18. All the villages to safe areas before midnight last night. B. were evacuated C. had evacuated D. had been evacuated A. evacuated a chance to go to Disneyland in California. 19. I'd be over the moon if I D. would have C. will have B. had A. have not be suitable for your 20. You should talk to your dad first because that fridge family. D. ought C. need B. may A. can