1. Many have been living and working illegally(illegal) in this country.
2. He drove his car at an alarming(alarm) speed, so he was arrested.
3. Some cultures and languages are in danger of extinction(extinct).
4. The project should raise general awareness (aware) about campus bullying(欺凌).
5. He has tried to adapt to enjoying (enjoy) local food.
6. We must take measures to control (control)the spread of this disease.
7. The table should be reserved (reserve) in advance because the restaurant is so popular.
8. The technique seems to be more safe and effective (effect).
9. We should overcome the dangers that threaten (threat)us.
10. Do you know when the new law came into existence (exist)?
