What is the question about?
Love is the answer you are looking for. Orsino is in love with Olivia. Olivia is in love with Cesario. Viola is in love with Orsino. Therefore your answer is Love.
If the "books" wasn't a plural, it would be "his" but since it isn't singular, it would be "their"
I think he wished for food ?
Answer:
This means success is a verb and the related part of speech success is not a verb; in this case, success is a noun. Another test for verbs is to use the word in question in different verb tenses. If the sentence still makes sense, the word is a verb.