Question

An illustration (make) a book more intintresting
(Correct tense)

Answer 1

Answer:

An illustration makes a book more interesting

Answer 2

Answer:

An illustration makes a book more interesting.

Explanation:

'An illustration' is a singular object which is the subject in this sentence. Thus the verb 'make' is conjugated to 'makes'. This is simple present tense as it expresses a universal truth or assertion.

Hope it helps!