Раскройте скобки, употребляя глаголы в Past Simple, Past Progressive или Past

Раскройте скобки, употребляя глаголы в Past Simple, Past Progressive или Past Prefect:
1. He had been doing his lessons by five oclock and at five he was playing football in the yard. 2. Mark (be) at home when you (arrive)? No, he (go) to school. 3. My parents (come) home by seven oclock and at eight we (have) dinner. 4. His father (look) tired as he (work) hard before. 5. By seven oclock I (learn) the poem and at eight oclock I (watch) TV. 6. When he (see) me, I (read) the newspaper which I (buy) in the street. 7. Betty just (come) home when we (phone) her. 8. When Alison (enter) the room she (see) her son (play) with a ball which she (buy) in the shop. 9. They (arrive) to the theatre late. The play already (begin). 10. When I (come) into her room, she (play) the piano which her father (buy). 11. He (want) impress her parents as he (not meet) them before. 12. Mother (tell) us that she (plan) soup fish and a chocolate mousse for dinner. 13. His brother (be) taken to the hospital because he (have) an accident. 14. When we (arrive), mother (go) into the kitchen to do the last preparations for the meal. 15. Mary (bring) him a glass of water as he (ask) her about it. 16. When David (enter) the kitchen, he (see) that his cat (eat) meat.17. Jenny (tell) her mother, that she (water) the flowers. 18. We (want) to know which way they (choose). 19. She (be) afraid that they (not tell) the police the truth. 20. They (know) that he already (start) his work for our firm.