14. If we ____ to go to school this afternoon, I and my friends will go to collect waste paper to create fund for the charity group. A. have B. doesn't have C. don't have D. do have 19. If you go to the swapping day at the city hall every week, you _______ swap your unused things for a small pot of plants. A. would B. can C. able to D. need to 20. If you ______ absent most interesting t from the English class today, you will miss one of the lessons ever. A. will be B. shall be C. are D. do be