There is___(a,an)photo of sun yatsen on the wall.Mao zedong was___(an,the)great leader of china.

There is___(a,an)photo of sun yatsen on the wall.Mao zedong was___(an,the)great leader of china.

应该都填a

答案：a,the

a, photo 不是元音开头
a 不是特指用a