分析句子：They are good-natured,cooperative creatures,and they share their food readily.They look cute.They are good-natured,cooperative creatures,and they share their food readily.第一句是什么结构.第二句they share their food readily

分析句子：They are good-natured,cooperative creatures,and they share their food readily.They look cute.They are good-natured,cooperative creatures,and they share their food readily.第一句是什么结构.第二句they share their food readily they are having good time,aren't they?是什么句子 are,good,they,us,for（.）能组成什么句子? what good children they are 用英语解释句子! 这个句子怎么变为单数形式?They are good children. they are good friends they are good of They are good for They are good f___my health.根据首字母的提示将句子补充完整They are good f___my health.They are n___ health. sneaker,but,the,are,good,too,they,are,expensive.怎么组成句子求高人指点 They are trying to do what they can to protect the environment.分析下这个句子! Are they good for us? They are us good friends What are they good at? they are good frends意思 they are good strict me They are good for me. I don't like hamburgers because they are not good for us.对画线句子提问.对 because they are not good for us提问