1. I ________________ (look) for Jack. Do you know where he is? 2. You ________________ (know) a lot about computers. 3. They ________________ (do) maths homework now. 4. Mark often ________________ (play) tennis at the weekend. 5. Just a minute, I can’t hear you. I ________________ (listen) to the radio. 6. Bob ________________ (watch) the news on TV every morning. 7. Be quiet! The children ________________ (study) in the room. 8. Mark ________________ (not do) homework on Saturdays. 9. Wake up! The teacher ________________ (ask) you a question. 10. We ________________ (not work) at the moment. We’re on a break.