dentify informal features in the following sentences. Underline informal words and phrases and offer more formal alternatives. 1. Researchers have found out that this drug has serious side effects. 2. Engineers can come up with better designs using CAD. 3. Researchers have been looking into this problem for 15 years now. 4. The emission levels have been going up and down. 5. The government has made good progress in solving environmental problems. 6. We got encouraging results. 7. The results of a lot of different projects have been pretty good. 8. A loss of jobs is one of the things that will happen if the process is automated. 9. The reaction of the officials was sort of negative. 10. The economic outlook is mighty nice. 11. If you fail the exam, you can't enter the university. 12. OK, what are the causes of deformation