Answer:
a) Makes
b) Lets
c) Prevents
d) Causes
e) Stops
f) Allows
Explanation:
These verbs make the most sense in the context of each sentence.
Exemplar basically means a typical example, or model, of a concept or role. However the meaning can be extended to mean he best example of a concept or role. For instance, someone might say that you are an exemplar student, which can mean that you are a great example, or model, of a student.