Uncontrolled railroad crossing warning signs include A. round black-on-yellow warning signs.
B. red flashing lights.
C. crossing gates.
D. none of the above

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the correct answer is "part of speech" if the portion used is "verb, noun" there is another question similar to this with the same question but different portion. the other portion is "hand write" and the correct component for that question is "antonym".

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it is actually 55 mph i have done this question already