Someone help me on number 15, there’s a table below on what form of irregular verb I would have to do. If you do not know the answer, do not respond here

Someone Help Me On Number 15 Theres A Table Below On What Form Of Irregular Verb I Would Have To Do If You Do Not Know The Answer Do Not Respond Here class=

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These questions  a  ,   b  ,     f,    are about the material of communications and proliferation, and I want to answer within 10 minutes​

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