I. Put the verb in the correct tense. 1. They (practice) their music lesson at 7 o'clock tomorrow. 2. I wouldn't have eaten it if I (know) that there was ginger in it. 3. Be quiet! The teacher (explain) the lesson. 4. Ice (turn) to water if you heat it. 5. If I (try) again I think that I would have succeeded. 6. There (be) many tall and big trees in front of my house in 1998. 7. They went home after they (finish) their work. 8. The bell rang while Tom (take) a bath. 9. I could get a job easily if I (have) a degree. 10. We (not see) her since we (be) on holiday in Ha Long bay. 11. Phuong (not finish) her homework yet. 12. When I was young, I ( want) to be a bus driver. 13. Last night when we (visit) him, he (do) an experiment on the upstairs. 14. As soon as I (have) enough money, I'll buy a new car. 15. The phone (ring) at midnight last night.