1.Im busy. I (work) on this project all day and I havent still finished. 2. By the time he arrive at the airoport, the plane (already leave). 3.Their parents dont let them (stay) out late. 4. Dont worry. We (be) late tomorrow morning. 5. What (she do) at 10 oclock yesterdsy evening& 6. She never (surf) the Net on a weekday. 7.They cant help (laugh) his jokes. 8. He (work) on his computer for two hours before it broke down. 9.You (look) very pale. Is everything OK? 10. You look tired. Yes. By 9 oclock I (study) for five hours.
2. By the time he arrive at the airoport, the plane (already leave).
3.Their parents dont let them (stay) out late.
4. Dont worry. We (be) late tomorrow morning.
5. What (she do) at 10 oclock yesterdsy evening&
6. She never (surf) the Net on a weekday.
7.They cant help (laugh) his jokes.
8. He (work) on his computer for two hours before it broke down.
9.You (look) very pale. Is everything OK?
10. You look tired. Yes. By 9 oclock I (study) for five hours.