Fill blank (iv).

Directions: Read the following passage having some numbered blanks.

On-site educational programs focus on a (i)______ tour of the sanctuary where the children learn about the (ii)______ animals like the big cat and (iii)_______ of the animals in the zoo. Children (iv)_______ see more than a dozen (v)_______ of cat and other animals standing only 4 to 6 feet away in many cases. Many children automatically react in (vi)_______ to the enormous (vii)_______ of the tigers when they experience them up-close. The typical tour for young children focuses - on simple (viii)_______ about the animals as the children (ix)_______ them. For example, children age 5 to 10 will hear about how a tiger’s stripes are like (x)_______ and no two tigers have the same stripes.