Ex.5
1. I can't do this exercise, so Peter is helping me to do it.
2. Please don't walk in here. I am sweeping the floor right now.
3. Susan, are you using your dictionary at the moment?
4. I'm taking an important exam next week, so I am not spending much time with my friends this week.
5. Ann, the phone is ringing. Can you pick it up?
6. My dad always paints the kitchen blue, but this time he is painting it green.
7. Jack and Steve are at the party now. They are having a good time there.
