5-C. There were some days when I walked 15 to 20 kilometers in pouring rain.There were some days when I walked 15 to 20 kilometers in pouring rain.
いくつかの日がありました、(そのとき)、私が、15〜20キロを歩いた、降り注ぐ雨の中でダヨ。
6-C. A group of teachers is going to make a reservation for an outdoor basketball court for 2 hours, 20 days before they play.A group of teachers is going to make a reservation for an outdoor basketball court for 2 hours, 20 days before they play.