a bad habit is formed, it will take a long time to get rid of itA. Ever sinceB. WhileC. O

发布时间：2020-08-16 20:17:51

    a bad habit is formed, it will take a long time to get rid of it．
A. Ever since
B. While
C. Once
D. Even if

网友回答

A. Ever since
B. While
(答案→)C. Once
D. Even if
解析：考查连词的用法。句意：一旦坏习惯形成，它要花好长一段时间才能摆脱。Once 一旦。故选C。
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