Match the words 1-6 with the dictionary entries a-f.
1. donation
2. educate
3. tough
4. treat
5. patient
6. extremely

a) to give medical care to a person an illness or an injury
b) to a very high degree very much
c) especially money that is given to charity organisations
d) a person who is getting medical treatment.
e) to teach sb about sth or how to do sth
f) very difficult