34．Mr．Barret doesn’t think that all bad language should be allowed．In his opinion there a

问题补充：

34．Mr．Barret doesn’t think that all bad language should be allowed．In his opinion, there are that should be kept up．

A. degrees

B. levels

C. limits

D. Standards

答案：

A. degrees

B. levels

C. limits

(答案→)D. Standards

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