根据要求改写句子,每空填一词.they turned around but could not find any unusal things (改为同义句）They turned around but could find ___ ____
问题描述：
根据要求改写句子,每空填一词.
they turned around but could not find any unusal things (改为同义句）
They turned around but could find ___ ____
答
这个应该填nothing unusual