By seeing the format in which the text is written!
then, what we have to find in this question
The correct answer is 'empty word', because such words don't really have an important meaning, they are there just as grammatical links or markers. They only have grammatical function, and no meanings in themselves.
The other options are incorrect, 'there' doesn't fit in any of them.
ALL CREDIT TO THIS: brainly.com/question/859473
