The error presented in this sentence is that the antecedent of the pronoun “it” is not clear stated. To my mind, the pronoun "it" can refer to “spare time" or “reading”.
This may help.
https://quizlet.com/223875167/everyday-heroes-poems-by-nikki-giovanni-flash-cards/
A) the super bowl is the best event televised, and therefore it deserves the most expensive advertisements . I’m not to sure though
Answer: to express his gratitude for all the people who helped him after he arrived in New York
Explanation:
I took the test
This would be classified as the informal part of the email. See the words "Hey There" etc