It is very hot today.We can't go out for a walk.(合并为一句）

one:We can't go out for a walk because it is very hot today.请改为It is ----- ------for us-------- --------out for a walk.的形式It is too hot today for us to go out for a walk.too hot today 那里是两个空，可你用了三个词too 或today不要呗