1、(2010·福建省普通高中毕业班质量检查)
In a small open courtyard, outside a school building, there were flowers here and there. In the sunshine, a 36 was lying on the grass, reading a book with 37 concentration. Near her, another child was carefully watering the flowers, while a third was 38 with his back against a tree and had a 39 on his knees. He appeared to be drawing or writing something on it. He was _40 in his task, like the first child.