Question 3 of 4 in this topic
Difficulty: EasyVerb Tense
In 1929, Edwin Herbert Land invented a polarizing filter that was featured in a number of products, from sunglasses to 3D movies. A decade later, Land _______ his technology to invent the world’s first instant camera, the Polaroid Land camera.
Which choice completes the text so that it conforms to the conventions of Standard English?
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