穴埋め， 穴うめ， あなうめ
1. filling (up) a hole
2. filling in (for a gap, vacancy, etc.), stopgap, filler (e.g. article)
3. making up (for a loss, damage, etc.), covering (a deficit), compensation
4. cloze deletion (test format)
填满(一个)洞；填补(空缺、职位等)，权宜之计，填充物(如文章)；填空题；弥补（损失、损害等），填补（赤字），补偿