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将contribute+torelieve改为contribute+to+名词However,chewinggumcontributetorelievethesymptomsoftinnitus.这是原句,不改变原意

题目详情
将contribute+to relieve改为contribute+to+名词
However,chewing gum contribute to relieve the symptoms of tinnitus.这是原句,不改变原意
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答案和解析
However,chewing gum contribute to the relief of the symptoms of tinnitus.