日常表現!予定の聞き方(free/available/good/convenient) https://yumemiru2-blog.com/%e6%97%a5%e5%b8%b8%e8%a1%a8%e7%8f%be%ef%bc%81%e4%ba%88%e5%ae%9a%e3%81%ae%e8%81%9e%e3%81%8d%e6%96%b9free-available-good-convenient/