This piece of bread tastes a hard stone.这个句子中哪个词错了

This piece of bread tastes a hard stone.这个句子中哪个词错了 按要求转换句子1.This is a piece of paper.(变复数）2.I have some bread.( This piece of bread t_____ good. There is only a piece of bread a piece of bread可数吗 1.All_________is a piece of bread. Have another( ) 选项 A.bread B.piece of bread C.piece bread D. He ate only a piece of bread this morning and didn't eat any a piece of good news \ a good piece of news中哪个是正确的? 英语翻译5.This is a flat and round piece of hard plastic and it A piece of advice中piece是什么意思? there isn't any piece of bread.那错了?怎么改?