3. Complete each sentence with as soon as, until, or while.
1. As soon as the meeting is finished, I have to go to the airport.
2.We can't start the presentation until Farook arrives because the PowerPoint slides are on his laptop.
3.We discovered a serious problem while we were doing routine maintenance.
4.The tool store will be open until six o'clock.
5.We'll be able to calculate the costs as soon as Liam supplies the spec.
6.Do you mind waiting for a few minutes while I phone head office and ask where Mr Ota is?