https://www.youtube.com/watch?v=xREOINGFWT8 0:06 I'm ready when you are.
https://www.youtube.com/watch?v=h92_pzPibdQ 0:29 ready when you are.
https://www.youtube.com/watch?v=wttps9r9ulY 56:32 okay, whenever you are ready.
練習問題解答
a-2460 ready when you are