将"This is a dog"改写成复名数

将This is a dog改写成复名数 This is a dog,划线部分是a dog.怎么改 This is a bottle of milk.怎样改写成复数? this is she dog.怎么改 this is my dog,的同义句怎么改 求音乐：this is my dog怎样改一般疑问句 This is a yellow bus ,and that isalso a yrllowbus改写成复数 This is a big dog改成感叹句 this is a（ ）of dog This is a dog :改为复数句 请问下英语里可不可以吧this is a big apple 改写成this apple is big? this is my uncle 改写成复数形式怎么写. This is her toy bear(改写成一般疑问句) this is my grandpa改写成一般疑问句? what is this place 改写成另外一种英语? 将下列单数句改为复数句 Is this your pencil?Is that your cousin?Where is your key?Is it on the chair?This is a dog. 如果按This is my bag.改写成This bag is mine.whose shirt is this?怎么改?请指教! This concert is very woderful (该感叹句） What a lovely dog!（同义句转换）This concert is very woderful (改感叹句） What a lovely dog！（同义句转换）