Read the sentence or question very carefully?

Read the sentence or question very carefully. Decide if it is correct or incorrect, and click on the corresponding box. If it is incorrect, write the correct version using complete sentences. Review punctuation and capitalization before you submit your answer. You mustn't wear a tie at school. It's not necessary. We have to drive very fast. It's prohibited. You mustn't to drink when you drive. Necesito la correccion( no traduccion) porfavor si alguien me puede apoyar en ayudarme a resolverlo se lo agradeceria mucho.