Unit 9 Grammar Focus:
Have you ever been to an aquarium? Yes, I've been to an aquarium.
No, I haven't.
No, I've never been to an aquarium.
I have been to the zoo a lot of tmies. Me, too.
I've never been to a water park. Me, neither.
Unit 10 Grammar Focus:
It's really windy today, isn't it? Yes, it is.
You're Ben's sister, aren't you? Yes, I am.
The No.15 bus stops here, doesn't it? Yes, it does.
人教版英语每个单元的Grammar Focus是一个单元的还是只有Section A的？速度啊