Read the excerpt from "Stopping by Woods on a Snowy Evening” by Robert Frost.He gives his harness bells a shakeTo ask if there is some mistake.The only other sound’s the sweepOf easy wind and downy flake.

The first two lines end with “shake” and “mistake,” which rhyme, so they share the letter a. The last two end with “sweep” and “flake,” which rhyme with each other but not with the first pair, so they share the letter b. The rhyme scheme is aabb, choice B.

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