Choose the correct verb form. This technology, developed by the military for field communications, (have/has) become essential

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Choose the correct verb form.

This technology, developed by the military for field communications, (have/has) become essential to private industry as well.

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Related Book For  answer-question

McGraw-Hill Education SAT 2017

ISBN: 9781259641657

1st Edition

Authors: Christopher Black, Mark Anestis

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