问题描述: us,how,dumplings,teach,mum,make,to,yesterday连词成句 1个回答 分类:英语 2014-10-18 问题解答: 我来补答 Mum teach us how to make dumplings yesterday.注这里teach应该是taught 但是是连词成句 只能这样子了 展开全文阅读