1.I feel hungry now.(改为否定句） I don't feel hungry now.
2.I'd like sandwiches.(改为一般疑问句）Would you like sandwiches?
3.I'd like some dumplings.(对some dumplings提问） What would you like?
4.He has some bread.(改为一般疑问句) Does he have any bread?/Has he any bread?
问句的时候要把some改成any,如果希望得到对方肯定回答,用some