There is advertisement about the clothes store. You can have a look.A. aB. anC. theD. /

问题补充：

There is advertisement about the clothes store. You can have a look.

A. a

B. an

C. the

D. /

答案：

A. a

(答案→)B. an

C. the

D. /

解析：句意：有一个关于衣服商店的广告，你可以看一下。advertisement是可数名词，第一个音素是【æ】，是元音，所以要用an。故选B.