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Practice Reading: Fill in The Blanks (Drag & Drop)
ID: #46832
Sight form
Instructions
In the text below some words are missing. Drag words from the box below to the appropriate place in the text. To undo an answer choice, drag the word back to the box below the text.
* Drag the correct answer into all target fields
Sight is the result of the conversion of one form of motion into another. Thus, of light coming from a luminous body are by the pigment-cells of the retina in our eyes and are transmuted into another form of . It would seem then that eyes of very simple construction would amply satisfy the of thousands of creatures whose existence does not upon vision.
arrested
waves
fall
shades
depend
sight
motion
needs
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