1. I can't leave the office ____ I finish my work. byuntil
2. I'll arrive there ____ five o'clock at the latest. byuntil
3. We can't do anything ____ they fix the computer. byuntil
4. I need to have my computer working ____ noon, or I'll never meet my deadline! byuntil
5. ____ five my computer was still not working. byuntil
Unit 72