Which pronoun best completes the sentence? how is the pronoun used?
is that in line at the cash register?
a. her; predicate nominative
b. her; subject
c. she; predicate nominative
d. she; subject

The correct answer among all the other choices is B. her; subject. This pronoun best completes the sentence "Is that her in line at the cash register?" Thank you for posting your question. I hope this answer helped you. Let me know if you need more help. 

Are there answer choices