他们教室的前面有树吗?教室的后墙上有一副中国地图.这两句话用英语怎么说?

is there a tree in front of their classroom?

Are there any trees in front of their classroom?
There is a map of China on the back wall of the classroom.

Is there a tree in front of their classroom? there is a map of China on wall

Are there trees in front of their classroom?
there is a Chinese-map on the back wall of the classroom.

Are there any trees in front of their classroom?
There is a map of China on the wall behind the classroom.

there is a map of Chian on the back wall of the classroom

Are there trees in front of their classroom?
there is a Chinese-map on the back of the classroom.