He need to learn English
It is both oral and written. In written they might start from simple things like write down the address. But in some States there are computer generated test in which you will be asked to read the questions from the computer and answer it on the paper. There are total 10 questions and you need to score 80%.
The oral interview includes tests and reviewing your legal status and criminal records. You can have Citizenship study material at following address.
USCIS
The oral interview includes tests and reviewing your legal status and criminal records. You can have Citizenship study material at following address.
USCIS
James madison
I believe the first and most important question is DID YOU ACTUALLY STUDY OR JUST TRY TO PASS BY CHEATING? THIS IS A U.S. CITIZENSHIP TEST, for crying out loud. You'd BETTER KNOW! Go study.