ExplanationThe blank is about what playwrights should avoid according to the critic, and the clue word trite signals the blank must mean ordinary. If you do not know the word trite, you nevertheless know that he blank must be negative from the phrase could not sit through.
Correct choices (B) and (F) mean dull and ordinary, and produce equivalent, appropriate sentences. Choices (C) and (E) are positive, and can be eliminated. Choices (A) means in good judgment and (D) means conveniently practical, and neither choice means ordinary.
Hence options B and F are correct!
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