单项选择—Mysonseldomhas       breakfast.  —Itis        unhe...

问题详情：

单项选择

— My son seldom has        breakfast.

   — It is         unhealthy habit. You must ask him to change it.  

         A. /; an          B. the; an          C. /; a          D. the; a

【回答】

A

知识点：冠词

题型：选择题