Language skills can be（）by constant practice and regular reinforcement._精华吧

Language skills can be（）by constant practice and regular reinforcement.

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Language skills can be（）by constant practice and regular reinforcement.

A.raised

B.perfected

C.enforced

D.gained

正确答案：perfected

Tag：大学英语时间：2024-01-07 20:11:30

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