they watch TV on Sunday and on Saturday.(改为否定句）the library is behind the dining hall .(改为同义句）there is one library in our city.(划线部分提问）（“one”划线）there are no pictures on the wall.(改为同义句）
问题描述：
they watch TV on Sunday and on Saturday.(改为否定句）
the library is behind the dining hall .(改为同义句）
there is one library in our city.(划线部分提问）（“one”划线）
there are no pictures on the wall.(改为同义句）
答