Complete the sentences with the words below.
Słówka do wstawienie w luki:

access barriers, sign, blind, brain, boost, deaf, distracted, focus, impaired,memory, needs, suffered, wheelchair user

1.If you can't solve this ........ teaser, start with something simpler.
2. Because there are kids with special ........ in our class, we can better understand the problems they face.
3.If he has Alzheimer's he might have (luka) from ........ loss
4.People born ........  or ........ to living without these senses much easier than those who lose them as adults
5. It was only after I followed a ........ for a week that I understood how many ........ there are in our city.
6. A quiet learning environment will help you to ........ on your work.
7. Constant challenges such as learning foreign languages ........ your brain power
8. He met a speech ........ girl and learned ........ language for her
9. I've been constantly tired and ........ lately. Do you think I should see a doctor