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题目内容
（信阳师范学院-英语词汇学）
An idiom differs from a free phrase in that the former is ___ and the latter is not. （ ）
A. structurally changeable
B.semantically analysable
C.structurally fixed
D.easily understood
A. structurally changeable
B.semantically analysable
C.structurally fixed
D.easily understood
参考答案
