We can not ignore this issue.2. We can not ignore the complexity of the problem.3. I have often told you that we will not do.4. The grass is not walking.5. To generations of immigrants had to adapt to the American way of life.6. Keep in touch!7. It is not useless.8. We look forward to meeting you.9. No access is denied.10. In America, not made a cake with a spoon - always use a fork.11. I do not need to go to the library. At home I have everything you need.12. It is not recommended to eat much on an empty stomach.13. I do not need any help. I'll handle the task.14. No need to tell him that he was sick.15. I'm not familiar with the professor and I was not convenient to call him at home.