18. Jim ...........(read) fourty-three books since 2005. 19. Look at this tree! It .........( fall)! 20. A: Why didn't you pay the bill? B: I'm sorry! I ....................(pay) it tomorrow, I promise! 21. I need some help with the shopping tomorrow." Don't worry, I ................. (help) you. 22. Where's my watch? It ......... ..(be) on the table. It ................... (disappear)! 23. John ........... ...(phone) me while I .................. (have/ a bath) 24. I ......... (think) you should sell your camera. You (not/ use) it very often.