Are those dirty brushes Mary's brushes?(改为陈述句)

Are those dirty brushes Mary's brushes?(改为陈述句) Waiter,please give me ___ pair of chopsticks,those are dirty.A.other B.the other C.two D.another 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. whose are these dirty shoes? 外语:a few some questionare that boy's shoes dirty?这句中为什么are 跟 that 放在一起而不是is that boy's shoes dirty?or are those boy's shoes dirty?who can help me explainur mean are 对应 shoesthat 对应 boy? you are my dirty sexy boy ,dirty bit you are my dirty sexy boy ,dirty bit What are those?________(those)are books. 下列句子对吗?1.Look them.2 Are those shirts pure white?3.Them are lovely socks.连词成句1 a books are dirty bit 2 cat is fat lovely here 3 the the put in cupboared plate dirty What are those?答语 those are shoe改错 what什么are those Are those books (your) Whose are those books? whose pants are those? Those are pencils hers? Are those erasers?