mary liked those cakes?变为疑问句和否定句
mary liked those cakes?变为疑问句和否定句
l want some cakes 变为否定句
Those are cakes .改为一般疑问句并作肯定和否定回答.
those are their backpacks.变为否定句
Mary and I have some basketball疑问句和否定句
she is Mary.(改为否定句,疑问句和回答)
mary seldom does exercise at school..否定句和疑问句
将下列句子分别变为一般疑问句和否定句
变为否定句和一变疑问句,并作出回答?
把下列句子 变为否定句和疑问句
一般现在时主系表结构如何变为一般疑问句和否定句
把下列句子分别变为一般疑问句和否定句.