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1. Her friend's fathen can't skate,...?
2. There isn't a sandwich in the box,...?
3. The pupils are writing a test,...?
4. The pupils often write tests,...?
5. The pupils wrote a test yesterday,...?
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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?