Can you transform these sentences into interrogatives like this example :Peter is a student..... Is Peter a student?
1. Jane and Lilly are friends…………………………………………………………………?
2. You are British ………………………………………………………………?
3. It is on the desk………………………………………………………………?
4. He is silly…………………………………………………………………?
5. It is 12 o’clock………………………………………………………………?