否定句
Lucy and Lily are not dancing in the gym.
一般疑问句是
Are Lucy and Lily dancing in the gym?
肯定回答 Yes,they are.
否定回答 No,they aren't.
参考答案:否定句,Lucy and Lily aren't dancing in the gym.
一般疑问句:Are Lucy and Lily dancing in the gym?
回答:Yes, they are .
Lucy and Lily aren't dancing in the gym.