问题描述: That means we are learning the _____(five) lesson. 1个回答 分类:英语 2014-11-08 问题解答: 我来补答 fifith.第五课,还可以说成lesson five 再问: There're a lot of ______(knife)iesson. 再答: knives将fe改成ve在加s. 展开全文阅读