The main action of a greek drama goes back-and-forth between _

Episodes and Stasima.

Explanation:

Stasimon is a choral ode, especially in tragedy, divided into strophe and antistrophe; it usually alternates with the epeisodion (episode). And the episode is an incident or an event that is part of a progression or a larger sequence.

So basically, the episodes are interspersed by stasima, i.e. choral interludes explaining or commenting on the situation developing in the play.

gay mainly is used with men and homosexual can be used with men and women

#1  sara was always tasked with selecting birthday presents for her friends and family because everyone admired her  impeccable taste. 

impeccable (adj): perfect, flawless

#2  they moved to the united states many years ago, but their  insular  attitudes made it difficult for them to socialize. 

insular (adj): isolated; separate

#3  the professor explained the  semantic  relationship between the two nouns used in the sentence. 

semantic (adj): related to words or the meanings of words 

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