Section a activity two d listen to the conversation again and pay attention to the pronunciation of was, wasn't, did and didn't then role play the conversation. Hi fishing, how was your school trip to the Whitewater planned? Was IT boring? No, IT wasn't IT all IT was really . interesting. Wow, what did you see? We saw the plant make dirty water clean again. really, how . well, first, dirty water from our homes goes into the plan. Then special screens remove large pieces of waste from the water. What happens next? Well, large machines remove germs and other things from the water. These things are usually too small to see. IT takes a few more steps after that before the water becomes clean again. Wow, I used to think IT was easy to . get clean water. Me too. I didn't realize that was so hard.