Điền vào chỗ chấm

1)sushi is a traditional japanese dish usually made(1)...rice mixed with vinegar,salt and sugar.it also contains seafood and/or vegetable.there(2)...many types of sushi,for(3)...ngiri,maki,uramaki or sashimi.if you are(4)..to sushi,you should start with cooked types first.sushi is believed to be good ....health