His brother is a he? 2. it snows in it? the pupils don't go to school on sunday, ? іть сроно вставити допоміжні діє

His brother is a student, isn`t he?  

It snows in winter, doesn`t it?  

The pupils don't go to school on Sunday, do they?

1 His brother is a student,...isn't ... he?

2. It snows in winter,...doesn't ... it?

3 The pupils don't go to school on Sunday, ...do...they?