Correct Answer: to speak / to calculate / to think critically / to analyze
Explanation: List uses infinitives (to + verb). Any infinitive maintains parallelism. For ESL: Parallel structure = same form throughout.
Correct Answer: to speak / to calculate / to think critically / to analyze
Explanation: List uses infinitives (to + verb). Any infinitive maintains parallelism. For ESL: Parallel structure = same form throughout.