4. we / watch / a DVD / right now. (✗)
3. I / chat / online / to my friend. (✓)
2. they / study / Chemistry / this year. (?)
1. Leo / listen / to the teacher. (✗)
5. where / Ian / sit (?)
D. Where is Ian sitting?
A. Are they studying Chemistry this year?
C. Leo aren't listening to the teacher.
E. I'm chatting online to my friend.
B. We aren't watching a DVD right now.
