Complete the sentences with 'am', 'are' or 'is'.

1. Mum **is** working today. 2. They **are** chatting online at the moment. 3. He **is** taking a photo of a famous person. 4. We **are** watching a film on TV. 5. I **am** wearing my tracksuit because we have P.E. 6. You **are** wearing a nice T-shirt. Is it new?