Which is the best way to combine these sentences using correct punctuation? a.) after i started working with a tutor my grades improved. b.) i started working with a tutor, then my grades improved. c.) after i started working with a tutor, my grades improved. d.) i started working with a tutor after my grades improved.

The answer to your question would be that the best way to combine these sentences using correct punctuation is the following one: After I started working with a tutor, my grades improved. That is, the correct option would be C.

"After I started working with a tutor" is an introductory clause. Introductory clauses are dependent clauses that provide background information or "set the stage" for the main part of the sentence, the independent clause.

mailman is the most possessive answee

situational archetype describes the adventures of hero. the examples of situational archetypes are the quest, good vs evil, the task which represent respectively search, good forces, characters vs the evil ones and a certain job that must be done. from the given options, we cannot observe the subplot the beauty and the beast which is a correct answer for this question.