一道初二英语完形填空题

一道初二英语完形填空题
用所给词的适当形式填空
1.make change ground low show too shut light short tree or long
A shadow is a dark shape.It is (1) when something blocks the light.The shade of a (2) is really the tree's shadow.The sun shines on the Tree.The Tree blocks the sun's (3).The shadow of the tree shows on the (4).We call it shade.The shade (5)as the sun moves.The shade is (6)when the sun is high.The shade is long when the sun is (7).Shine a flashlight on the wall.Put a shoe in front of the light.A dark shape (8) on the wall.Shake the shoe.The shadow snakes(9).Move the flashlight.The shape of the shadow changes.Now(10) off the light.The shadow disappears.