根据短文内容和所给汉语提示写出单词的正确形式，每空限填一词。
There was a famous church in London. It was 110 ____(米) high. The center of the church was ____(像) a bell. The ceiling of the church was painted by a famous artist. A platform (平台) was ____(建造) so that the artist could put up a ladder (梯子) on it and paint the ceiling. The platform was about 70 meters over the ground.
One day the artist was working hard and had nearly ____(完成) one popular corner on the ceiling. Also on the platform was his assistant, who was mixing paints. The artist stepped back so that he could see how his work was progressing. To have a better look at his painting, he stepped back again.____(突然), his assistant shouted, picked up a small bowl of paint and started to paint the artist’s work on the top. The artist was very mad and rushed forwards to stop him.
“What do you think you are doing?” he shouted _____(生气地). “Are you mad?” His assistant replied, “I saw you ___(行走) backwards to have a better look at your painting. But you didn’t ____(注意) that you had reached the very edge of the platform. You were in great ___(危险). I wanted to make you move forwards. If I had not made you run forwards, you would have ___(跌落) backwards off the edge of the platform.”