

運動会で、生徒たちが旗を振って応援しました。
校門の前に学校の旗が立っています。
卒業式の日は、体育館に旗を飾りますか。
"はた(旗)" is in the lesson "School" (Level 10), along with 13 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.