___in the early 20th century, the school keeps on inspiring children’s love of art.

We regret _____ you that．because of the necessary repair, our library will be closed next month．

Once ______ from space, the Great Wall is till great in sight.

We walked a long way to see him off, only _____ that he had just left.

__ his poor handwriting, he practises writing Chinese characters with a Chinese writing brush every day.