grandpa is writing a letter 变一般疑问句...
问题描述:
grandpa is writing a letter 变一般疑问句...
答
Is grandpa writing a letter?Aretheycleaningtheroom? 做肯定回答Yes, they are
grandpa is writing a letter 变一般疑问句...
Is grandpa writing a letter?Aretheycleaningtheroom? 做肯定回答Yes, they are