1. her friend's fathen can't 2. there isn't a sandwich in the 3. the pupils are writing a 4. the pupils often write 5. the pupils wrote a test заранее

1. Her friend's father can't skate, can he?

2. There isn't a sandwich in the box, is there?

3. The pupils are writing a test, aren’t they?

4. The pupils often write tests, don’t they?

5. The pupils wrote a test yesterday, didn’t they?