人家问回答要不要加冠词a 或者an,楼上几位直接回答不行啊.
楼主,这么跟你说吧
如果是可数名词,是要加a或者an的
比如
what 's this in English?
It is a book/ It is an apple.
如果是不可数名词,就不要加,
It is tea/It is bread.