you make a promise,you should keep it.A. UnlessB. ThoughC. OnceD. Even if

发布时间：2020-08-16 19:44:27

     you make a promise,you should keep it.
A. Unless
B. Though
C. Once
D. Even if

网友回答

A. Unless
B. Though
(答案→)C. Once
D. Even if
解析：考查连词用法。句意为你一旦许下诺言，你就应该遵守。所以选Once 一旦。
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