----- Nội dung dịch tự động từ ảnh ----- 17. I a. have to 18. We a. shouldn't wear a jacket. It's hot outside. b. may recycle if we want to save our planet. c. don't have to c. don't have to - Yes, of course dear. c. Must b. must 19. ..I use your tablet mum ? а. Мау 20. a. Must b. Should you help me please ? These bags are too heavy. c. Could b. Should
