1. Complex sentences: The answer uses several complex sentences with conjunctions like "because," "not only...but also," and "to," showing a good command of sentence structure.
2. Present simple tense: The use of present simple ("is," "enjoy," "find," "read") is appropriate for describing habits and preferences.
3. Parallel structure: The phrase "expands my knowledge but also improves my vocabulary and language skills" uses parallelism, which adds clarity and fluency.