One of those items - - - not available

It is statement but is there are multiple choices or fill in blank or wat?

is

Explanation:

In case of sentence which starts with of of three rules are to be followed as given below

Rule one : one of is a singular term and commonly used to refer to a noun or a pronoun.

Rule Two : any nous or pronoun to be used after one of should be in plural form (to talk about one out of many things its grammatically correct use plural form)

Rule Three : according to subject verb agreement rule, singular subjects should take singular verb here we are talking about one hence it is singular and hence is should be used