They sell the shoes for ＄10.（改为同义句） The shoes areThey sell the shoes for ＄10.（改为同义句）The shoes are ＿＿ ＿＿ for＄10.
问题描述：
They sell the shoes for ＄10.（改为同义句） The shoes are
They sell the shoes for ＄10.（改为同义句）
The shoes are ＿＿ ＿＿ for＄10.
答
on sale~