Can you give me a piece of bread 变成复数怎么变

Can you give me a piece of bread 变成复数怎么变 Can you give me( )(a/an/the)piece of advice? 英语翻译A:sir,sir,please give me a piece of bread.thank you,sir. i'm too hungry please give me piece of bread ( )you please give me a piece of advice? Will you please give me a piece of paper ____ Could you give me a piece of paper____? ( )67.Could you give me a piece of paper ______? Jill,give me a piece of bread,please.改否定句是Jill,don't give me can you give me some bread Give me a glass of water,please.（变复数） Give me a piece of paper ,please写出同义句?can I help you?写出同义句