How dumpling is made还是How dumplings is made

How dumpling is made还是How dumplings is made how sound is made Yuanxiao is a kind of rice _____.(dumpling)dumpling后面要加s吗 I want to investigate how food is/was made how wonderfull!the housr is made of glasses please watch carefully and you will know how it is made 想知道 how it is made的语法是什么 How silly a mistake I had made! How silly the mistake I had made is!这两句都可以吗?意思一样吗?How silly a mistake I had made!How silly the mistake I had made is! Dumpling is a traditional food in China 这句话对么? The dumpling ahd soup lunch special is 10RMB. it is a sofe in the shape of a dumpling what type of dumpling is famous in shenyang? 希望帮我检查下语法句法错误Another famous street food is sumai,which is a kind of dumpling but is totally different from the common one.It is round and its fillings are made of rice.The wrapper of it are made of flour.Sumai can be easily how to introduce dumpling to my foreign friend 3分钟演讲 sweet dumpling dumpling读 dumpling是什么意思 dumpling呢? How a cake is made(至少6句,最多10句,用被动语态)