1、Your brother had breakfast at home,(didn't he )?
had吃 实义动词
2、The city isn't very beautiful,(is it/she(拟人） )?
3、Let's make some dumplings,(shall we )?
固定 Let's...., s...
He likes playing the piano, doesn’t he? 他喜欢弹钢琴，是吗？
Everyone knows the answer, don't they?每个人都知道答案，是吗？
I'm as tall as your sister，aren't I? 我和你的姐姐一样高，是吗 ？
Some plants never ...
