新概念1册20课的单复数问题句子:Are that boy's shoes dirty?No,they aren't.(
新概念1册20课的单复数问题 句子:Are that boy's shoes dirty?No,they aren't. (1)问:为什么不是Are those boy's shoes dirty?复数,不是要将that变成those的吗? 句子:1)Those children are tired. 2)Their mother is tired,too. (2)问:为什么不是2)Their mother are tired,too.其中Their不是复数吗?不是应该用are吗? 句子:Are the children tired or thirsty?或 Are the postmen cold or hot?其中也是用the而不是用these/those的?