In the United States, the largest group of workers, the ..... class, is currently shrinking.

[Englishlearner]

In the United States, the largest group of workers, the ..... class, is currently shrinking. (*) middle (*) under (*) upper (*) low

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This is a companion discussion topic for the original entry at https://english.best/questions/21561,in-the-united-states-the-largest-group-of-workers-the-___-class-is-currently-shrinking/