19. -How did your interview go?-I couldn’t feel ________ about it! I seemed to find an answer for all of the questions.
---Would you mind if I opened the door? --- ________________.
It is demanded that you ____ at six.
At present,there is little doubt ________ short message plays an increasingly important role in our lives.
— Are you a teacher? — No, but I ______. I worked in a middle school for three years.
— Is your mother going to the supermarket? — No,______.