1. ...Students examine there.
2. Students examine twice a year.
3. ...I'm preparing for my exams.
4. These goods are produced by our firm for a year already.
5. A lot of raw materials were exported from the country.
6. They do rather well lately.
7. The more money was spent on advertising the bigger profits a company got.
8. My country house is insured against fire and burglary.
9. No one appreciated what was gained easily.
10. ... the ends justify the means.
11. Students should give a free hand...
12. Pupils must teach how to use the computer.