— Must we go to see a doctor at once when we have the flu?—No,_____.A. we mustn’tB. we shouldn’tC. we don’t have to
---When will you start school? ---I’m not quite sure. Maybe three weeks.
It’s possible_____ the old. We should often do so.
---There are APPs on mobile phones. ---Yes. They make life easier and more interesting.
---Hi, Karen, the book you want will be next Monday. ---Thank you very much. I’ll go and get it then.
---Can you come to my party? ----I’m sorry,_____ I can’t go to the movies with you.