1. Is Ben working on his computer? - No, he isn't. He is reading a report.
2. Are Alex and Jane talking on the phone? - No, they aren't They are working on their computers. 3. Is ... (кто? не написали) doing some photocopying?
4. Is Arina reading a report? - No, she isn't. She is talking on the phone. 5. Are Tom and Ann looking ar some posters? - Yes, they are.
Объяснение: