Yes, immigrants must take the citizenship test in English. Not so much English is required if you are good at memorizing the answers to about 120 questions. What I don’t understand is why ballots should be in any language other than English. Medical forms ... OK; voting materials ... no.
https://www.youtube.com/watch?v=NynO2zq2NkI
LIVE: President Donald J. Trump Rally in Elko, NV 10-20-18