1. Thirteen is ___ considered an unlucky number.
2. You must register if you want to use the software on a ___ basis.
3. It is not ___; you can make a copy of these documents next week or whenever.
4. A good knife must have a ___ blade.
5. SIM card is a plastic card ___ a mobile phone that stores personal information about the person using the phone.
6. Economists predict that house prices will remain ___ for a long period.
7. I've got a ___ secretarial job, but I'm hoping to find something more permanent.
8. There is a ___ chance that he will be back in time.
9. No ___ experience is necessary for this job.
10. A hard disk consists of one or more ___ platters [пластина] coated with magnetic material that allows the recording of computer data.