. Open the brackets using the verbs in the Present Continuous or Past Continuous Tense.
1. I … (write) an English exercise now. 2. I … (write) an English exercise at this time yesterday. 3. My little sister … (sleep) now. 4. My little sister … (sleep) at this time yesterday. 5. My friends … (not do) their homework now, they … (play) volley-ball now. 6. My sister … (not do) their homework at seven o’clock yesterday. She … (play) volley-ball. 7. She … (read) the whole evening yesterday. 8. She … (not read) now. 8. Look! My cat … (play) with a ball. 9. When I went into the garden yesterday, the sun … (shine) and the birds … (sing). 10. You … (eat) ice-cream when I called you yesterday? 11. What your father … (do) now? 12. What your father … (do) from eight to nine yesterday?