Bread and milk ----(be)a common breakfast in western countri

问题描述:

Bread and milk ____(be)a common breakfast in western countries.
1个回答 分类:英语 2014-11-18

问题解答:

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is
a common breakfast 说明前面应该用单数
又bread and milk是同一类物质,都是food,所以也应该用单数...
 
 
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