20. I will [1] (swim) at least 1000km by the end of the year.

21. By noon today, I [2] (swim) for 2 hours.

22. I [3] (swim) in the new Olympic-sized swimming pool on Friday.

23. I'm pretty sure printed books [4] (disappear) one day.

24. Look at the traffic. We [5] (be) late.

25. A: I'm late for my flight! B: Don't worry. I [6] (drive) you to the airport. 

26. A: Can you give me that knife?
B: What [7] (do) with it?