2. Fill in the gaps with am, is, are, isn't or aren't. 1. __________ Lize in Year 7? - No, she __________ 2. My sister __________ fifteen. She __________ sixteen. 3. Their names __________ John and Paul. They __________ at primary school. 4. __________ you good at Maths? - Yes, I __________ 5. Cathy and I __________ best friends, but we __________ in the same class.