The Latin prefix de- means to do the opposite or reverse. Use this information and the sentence context to choose the word that most accurately completes the sentence. Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse. Abana had almost finished building the model rocket ship when she noticed she had left out an important piece. She would have to blank the rocket he rocket and start again! As she took the model apart, she realized she had learned a valuable lesson about taking one’s time and paying attention.