there isn't any……?There isn't any+名词单数（比如：there isn't any picture in my classroom.

there isn't any……?There isn't any+名词单数（比如：there isn't any picture in my classroom.
there isn't any……?
There isn't any+名词单数（比如：there isn't any picture in my classroom.

there isn't any……?There isn't any+名词单数（比如：there isn't any picture in my classroom.
对的

不对 There isn't any 后加不可数名词或可数名词单数形式

appointment