1.These are nice pictures.2.This is a middle school.把这两句话改为疑问句并作简要的肯定和否定回答.
问题描述：
1.These are nice pictures.2.This is a middle school.把这两句话改为疑问句并作简要的肯定和否定回答.
答
1. Are these nice pictures?Yes,they are. No,they aren't.
这些是漂亮的图片吗? 是的,它们是.不,它们不是.
2. Is this a middle school?Yes, it is.No, it isn't.
这是一所中学吗? 是的,它是.不,它不是.
复数句与单数句的比较,句型以及回答的不同.