题目内容
（请给出正确答案）
[单选题]
The various versions of the l sound do not occur at random in English; their distribut
A.distinct
B.clear
C.complementary
D.similar
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.distinct
B.clear
C.complementary
D.similar
如果结果不匹配，请 联系老师 获取答案
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